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cve-2016-4979
Vulnerability from cvelistv5
Published
2016-07-06 14:00
Modified
2024-08-06 00:46
Severity ?
EPSS score ?
Summary
The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the "SSLVerifyClient require" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.
References
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"https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073146 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210606 svn commit: r1075470 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2016-07-05T00:00:00", "descriptions": [ { "lang": "en", "value": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-06T10:12:08", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "name": "RHSA-2016:1420", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://httpd.apache.org/security/vulnerabilities_24.html" }, { "name": "GLSA-201610-02", "tags": [ "vendor-advisory", "x_refsource_GENTOO" ], "url": "https://security.gentoo.org/glsa/201610-02" }, { "name": "20160706 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]", "tags": [ "mailing-list", "x_refsource_FULLDISC" ], "url": "http://seclists.org/fulldisclosure/2016/Jul/11" }, { "tags": [ "x_refsource_CONFIRM" ], "url": 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"https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1888194 [10/13] - /httpd/site/trunk/content/security/json/", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073139 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/json/", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073146 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210606 svn commit: r1075470 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2016-4979", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "RHSA-2016:1420", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "name": "http://httpd.apache.org/security/vulnerabilities_24.html", "refsource": "CONFIRM", "url": "http://httpd.apache.org/security/vulnerabilities_24.html" }, { "name": "GLSA-201610-02", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201610-02" }, { "name": "20160706 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2016/Jul/11" }, { "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html" }, { "name": "http://www.apache.org/dist/httpd/CHANGES_2.4", "refsource": "CONFIRM", "url": "http://www.apache.org/dist/httpd/CHANGES_2.4" }, { "name": "91566", "refsource": "BID", "url": "http://www.securityfocus.com/bid/91566" }, { "name": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html" }, { "name": "1036225", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1036225" }, { "name": "[oss-security] 20160705 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/07/05/5" }, { "name": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2", "refsource": "CONFIRM", "url": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2" }, { "name": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html" }, { "name": "https://security.netapp.com/advisory/ntap-20180601-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20180601-0001/" }, { "name": "[httpd-cvs] 20190815 svn commit: r1048743 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20190815 svn commit: r1048742 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20200401 svn commit: r1058586 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20200401 svn commit: r1058587 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1888194 [10/13] - /httpd/site/trunk/content/security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073139 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073146 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210606 svn commit: r1075470 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d@%3Ccvs.httpd.apache.org%3E" } ] } } } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-4979", "datePublished": "2016-07-06T14:00:00", "dateReserved": "2016-05-24T00:00:00", "dateUpdated": "2024-08-06T00:46:39.899Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2016-4979\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-07-06T14:59:04.487\",\"lastModified\":\"2024-11-21T02:53:21.280\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \\\"SSLVerifyClient require\\\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.\"},{\"lang\":\"es\",\"value\":\"El servidor HTTP Apache 2.4.18 hasta la versi\u00f3n 2.4.20, cuando mod_http2 y mod_ssl est\u00e1n activados, no reconoce adecuadamente la directiva \\\"SSLVerifyClient require\\\" para autorizaci\u00f3n de petici\u00f3n HTTP/2, lo que permite a atacantes remotos eludir las restricciones destinadas al acceso aprovechando la capacidad de enviar m\u00faltiples peticiones sobre una sola conexi\u00f3n y abortar una renegociaci\u00f3n.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F2FB2B98-DFD2-420A-8A7F-9B288651242F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2AE538EE-7152-4DB5-AE45-614494CB7B95\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B803D25B-0A19-4569-BA05-09D58F33917C\"}]}]}],\"references\":[{\"url\":\"http://httpd.apache.org/security/vulnerabilities_24.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor 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} }
ghsa-r48c-7gpg-9q4x
Vulnerability from github
Published
2022-05-13 01:09
Modified
2022-05-13 01:09
Severity ?
Details
The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the "SSLVerifyClient require" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.
{ "affected": [], "aliases": [ "CVE-2016-4979" ], "database_specific": { "cwe_ids": [ "CWE-284" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2016-07-06T14:59:00Z", "severity": "HIGH" }, "details": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.", "id": "GHSA-r48c-7gpg-9q4x", "modified": "2022-05-13T01:09:43Z", "published": "2022-05-13T01:09:43Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-4979" }, { "type": "WEB", "url": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20180601-0001" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/201610-02" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "type": "WEB", "url": "http://httpd.apache.org/security/vulnerabilities_24.html" }, { "type": "WEB", "url": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html" }, { "type": "WEB", "url": "http://seclists.org/fulldisclosure/2016/Jul/11" }, { "type": "WEB", "url": "http://www.apache.org/dist/httpd/CHANGES_2.4" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2016/07/05/5" }, { "type": "WEB", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html" }, { "type": "WEB", "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/91566" }, { "type": "WEB", "url": "http://www.securitytracker.com/id/1036225" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" } ] }
gsd-2016-4979
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the "SSLVerifyClient require" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2016-4979", "description": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.", "id": "GSD-2016-4979", "references": [ "https://www.suse.com/security/cve/CVE-2016-4979.html", "https://access.redhat.com/errata/RHSA-2016:1420" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2016-4979" ], "details": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.", "id": "GSD-2016-4979", "modified": "2023-12-13T01:21:19.019065Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2016-4979", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "RHSA-2016:1420", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "name": "http://httpd.apache.org/security/vulnerabilities_24.html", "refsource": "CONFIRM", "url": "http://httpd.apache.org/security/vulnerabilities_24.html" }, { "name": "GLSA-201610-02", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201610-02" }, { "name": "20160706 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2016/Jul/11" }, { "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html" }, { "name": "http://www.apache.org/dist/httpd/CHANGES_2.4", "refsource": "CONFIRM", "url": "http://www.apache.org/dist/httpd/CHANGES_2.4" }, { "name": "91566", "refsource": "BID", "url": "http://www.securityfocus.com/bid/91566" }, { "name": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html" }, { "name": "1036225", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1036225" }, { "name": "[oss-security] 20160705 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/07/05/5" }, { "name": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2", "refsource": "CONFIRM", "url": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2" }, { "name": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html" }, { "name": "https://security.netapp.com/advisory/ntap-20180601-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20180601-0001/" }, { "name": "[httpd-cvs] 20190815 svn commit: r1048743 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20190815 svn commit: r1048742 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20200401 svn commit: r1058586 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20200401 svn commit: r1058587 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1888194 [10/13] - /httpd/site/trunk/content/security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073139 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073146 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210606 svn commit: r1075470 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d@%3Ccvs.httpd.apache.org%3E" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2016-4979" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-284" } ] } ] }, "references": { "reference_data": [ { "name": "http://httpd.apache.org/security/vulnerabilities_24.html", "refsource": "CONFIRM", "tags": [ "Patch", "Vendor Advisory" ], "url": "http://httpd.apache.org/security/vulnerabilities_24.html" }, { "name": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2", "refsource": "CONFIRM", "tags": [], "url": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2" }, { "name": "http://www.apache.org/dist/httpd/CHANGES_2.4", "refsource": "CONFIRM", "tags": [], "url": "http://www.apache.org/dist/httpd/CHANGES_2.4" }, { "name": "[oss-security] 20160705 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]", "refsource": "MLIST", "tags": [], "url": "http://www.openwall.com/lists/oss-security/2016/07/05/5" }, { "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html", "refsource": "CONFIRM", "tags": [], "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html" }, { "name": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html", "refsource": "CONFIRM", "tags": [], "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html" }, { "name": "91566", "refsource": "BID", "tags": [], "url": "http://www.securityfocus.com/bid/91566" }, { "name": "20160706 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]", "refsource": "FULLDISC", "tags": [], "url": "http://seclists.org/fulldisclosure/2016/Jul/11" }, { "name": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html", "refsource": "MISC", "tags": [], "url": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html" }, { "name": "RHSA-2016:1420", "refsource": "REDHAT", "tags": [], "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "name": "1036225", "refsource": "SECTRACK", "tags": [], "url": "http://www.securitytracker.com/id/1036225" }, { "name": "GLSA-201610-02", "refsource": "GENTOO", "tags": [], "url": "https://security.gentoo.org/glsa/201610-02" }, { "name": "https://security.netapp.com/advisory/ntap-20180601-0001/", "refsource": "CONFIRM", "tags": [], "url": "https://security.netapp.com/advisory/ntap-20180601-0001/" }, { "name": "[httpd-cvs] 20190815 svn commit: r1048743 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20190815 svn commit: r1048742 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20200401 svn commit: r1058586 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20200401 svn commit: r1058587 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1888194 [10/13] - /httpd/site/trunk/content/security/json/", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073139 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/json/", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073146 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210330 svn commit: r1073149 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b@%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210606 svn commit: r1075470 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "refsource": "MLIST", "tags": [], "url": "https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d@%3Ccvs.httpd.apache.org%3E" } ] } }, "impact": { "baseMetricV2": { "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } }, "lastModifiedDate": "2021-06-06T11:15Z", "publishedDate": "2016-07-06T14:59Z" } } }
fkie_cve-2016-4979
Vulnerability from fkie_nvd
Published
2016-07-06 14:59
Modified
2024-11-21 02:53
Severity ?
Summary
The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the "SSLVerifyClient require" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
apache | http_server | 2.4.18 | |
apache | http_server | 2.4.19 | |
apache | http_server | 2.4.20 |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*", "matchCriteriaId": "F2FB2B98-DFD2-420A-8A7F-9B288651242F", "vulnerable": true }, { "criteria": "cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*", "matchCriteriaId": "2AE538EE-7152-4DB5-AE45-614494CB7B95", "vulnerable": true }, { "criteria": "cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*", "matchCriteriaId": "B803D25B-0A19-4569-BA05-09D58F33917C", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation." }, { "lang": "es", "value": "El servidor HTTP Apache 2.4.18 hasta la versi\u00f3n 2.4.20, cuando mod_http2 y mod_ssl est\u00e1n activados, no reconoce adecuadamente la directiva \"SSLVerifyClient require\" para autorizaci\u00f3n de petici\u00f3n HTTP/2, lo que permite a atacantes remotos eludir las restricciones destinadas al acceso aprovechando la capacidad de enviar m\u00faltiples peticiones sobre una sola conexi\u00f3n y abortar una renegociaci\u00f3n." } ], "id": "CVE-2016-4979", "lastModified": "2024-11-21T02:53:21.280", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV30": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0" }, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2016-07-06T14:59:04.487", "references": [ { "source": "secalert@redhat.com", "tags": [ "Patch", "Vendor Advisory" ], "url": "http://httpd.apache.org/security/vulnerabilities_24.html" }, { "source": "secalert@redhat.com", "url": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html" }, { "source": "secalert@redhat.com", "url": "http://seclists.org/fulldisclosure/2016/Jul/11" }, { "source": "secalert@redhat.com", "url": "http://www.apache.org/dist/httpd/CHANGES_2.4" }, { "source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2016/07/05/5" }, { "source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html" }, { "source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html" }, { "source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/91566" }, { "source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id/1036225" }, { "source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "source": "secalert@redhat.com", "url": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E" }, { "source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201610-02" }, { "source": "secalert@redhat.com", "url": "https://security.netapp.com/advisory/ntap-20180601-0001/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ], "url": "http://httpd.apache.org/security/vulnerabilities_24.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2016/Jul/11" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.apache.org/dist/httpd/CHANGES_2.4" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2016/07/05/5" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/91566" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1036225" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201610-02" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20180601-0001/" } ], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-284" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
RHSA-2016:1420
Vulnerability from csaf_redhat
Published
2016-07-18 15:30
Modified
2025-01-09 05:33
Summary
Red Hat Security Advisory: httpd24-httpd security update
Notes
Topic
An update for httpd24-httpd is now available for Red Hat Software Collections.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
Security Fix(es):
* It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTP_PROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request. (CVE-2016-5387)
Note: After this update, httpd will no longer pass the value of the Proxy request header to scripts via the HTTP_PROXY environment variable.
* A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate. (CVE-2016-4979)
Red Hat would like to thank Scott Geary (VendHQ) for reporting CVE-2016-5387 and Apache Software Foundation for reporting CVE-2016-4979. Upstream acknowledges Erki Aring (Liewenthal Electronics Ltd) as the original reporter of CVE-2016-4979.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for httpd24-httpd is now available for Red Hat Software Collections.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTP_PROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request. (CVE-2016-5387)\n\nNote: After this update, httpd will no longer pass the value of the Proxy request header to scripts via the HTTP_PROXY environment variable.\n\n* A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate. (CVE-2016-4979)\n\nRed Hat would like to thank Scott Geary (VendHQ) for reporting CVE-2016-5387 and Apache Software Foundation for reporting CVE-2016-4979. Upstream acknowledges Erki Aring (Liewenthal Electronics Ltd) as the original reporter of CVE-2016-4979.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2016:1420", "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/httpoxy", "url": "https://access.redhat.com/security/vulnerabilities/httpoxy" }, { "category": "external", "summary": "https://access.redhat.com/solutions/2435501", "url": "https://access.redhat.com/solutions/2435501" }, { "category": "external", "summary": "1352476", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1352476" }, { "category": "external", "summary": "1353755", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1353755" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_1420.json" } ], "title": "Red Hat Security Advisory: httpd24-httpd security update", "tracking": { "current_release_date": "2025-01-09T05:33:44+00:00", "generator": { "date": "2025-01-09T05:33:44+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.5" } }, "id": "RHSA-2016:1420", "initial_release_date": "2016-07-18T15:30:41+00:00", "revision_history": [ { "date": "2016-07-18T15:30:41+00:00", "number": "1", "summary": "Initial 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{ "system_name": "Red Hat Bugzilla ID", "text": "1352476" } ], "notes": [ { "category": "description", "text": "A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate.", "title": "Vulnerability description" }, { "category": "summary", "text": "httpd: X509 client certificate authentication bypass using HTTP/2", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.src", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-debuginfo-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-devel-0:2.4.18-11.el6.x86_64", 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the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request.", "title": "Vulnerability description" }, { "category": "summary", "text": "HTTPD: sets environmental variable based on user supplied Proxy request header", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.src", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-debuginfo-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-devel-0:2.4.18-11.el6.x86_64", 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rhsa-2016:1420
Vulnerability from csaf_redhat
Published
2016-07-18 15:30
Modified
2025-01-09 05:33
Summary
Red Hat Security Advisory: httpd24-httpd security update
Notes
Topic
An update for httpd24-httpd is now available for Red Hat Software Collections.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
Security Fix(es):
* It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTP_PROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request. (CVE-2016-5387)
Note: After this update, httpd will no longer pass the value of the Proxy request header to scripts via the HTTP_PROXY environment variable.
* A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate. (CVE-2016-4979)
Red Hat would like to thank Scott Geary (VendHQ) for reporting CVE-2016-5387 and Apache Software Foundation for reporting CVE-2016-4979. Upstream acknowledges Erki Aring (Liewenthal Electronics Ltd) as the original reporter of CVE-2016-4979.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for httpd24-httpd is now available for Red Hat Software Collections.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTP_PROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request. (CVE-2016-5387)\n\nNote: After this update, httpd will no longer pass the value of the Proxy request header to scripts via the HTTP_PROXY environment variable.\n\n* A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate. (CVE-2016-4979)\n\nRed Hat would like to thank Scott Geary (VendHQ) for reporting CVE-2016-5387 and Apache Software Foundation for reporting CVE-2016-4979. Upstream acknowledges Erki Aring (Liewenthal Electronics Ltd) as the original reporter of CVE-2016-4979.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2016:1420", "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/httpoxy", "url": "https://access.redhat.com/security/vulnerabilities/httpoxy" }, { "category": "external", "summary": "https://access.redhat.com/solutions/2435501", "url": "https://access.redhat.com/solutions/2435501" }, { "category": "external", "summary": "1352476", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1352476" }, { "category": "external", "summary": "1353755", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1353755" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_1420.json" } ], "title": "Red Hat Security Advisory: httpd24-httpd security update", "tracking": { "current_release_date": "2025-01-09T05:33:44+00:00", "generator": { "date": "2025-01-09T05:33:44+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.5" } }, "id": "RHSA-2016:1420", "initial_release_date": "2016-07-18T15:30:41+00:00", "revision_history": [ { "date": "2016-07-18T15:30:41+00:00", "number": "1", "summary": "Initial 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{ "system_name": "Red Hat Bugzilla ID", "text": "1352476" } ], "notes": [ { "category": "description", "text": "A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate.", "title": "Vulnerability description" }, { "category": "summary", "text": "httpd: X509 client certificate authentication bypass using HTTP/2", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.src", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-debuginfo-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-devel-0:2.4.18-11.el6.x86_64", 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the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request.", "title": "Vulnerability description" }, { "category": "summary", "text": "HTTPD: sets environmental variable based on user supplied Proxy request header", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.src", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-debuginfo-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-devel-0:2.4.18-11.el6.x86_64", 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rhsa-2016_1420
Vulnerability from csaf_redhat
Published
2016-07-18 15:30
Modified
2024-11-14 20:46
Summary
Red Hat Security Advisory: httpd24-httpd security update
Notes
Topic
An update for httpd24-httpd is now available for Red Hat Software Collections.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
Security Fix(es):
* It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTP_PROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request. (CVE-2016-5387)
Note: After this update, httpd will no longer pass the value of the Proxy request header to scripts via the HTTP_PROXY environment variable.
* A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate. (CVE-2016-4979)
Red Hat would like to thank Scott Geary (VendHQ) for reporting CVE-2016-5387 and Apache Software Foundation for reporting CVE-2016-4979. Upstream acknowledges Erki Aring (Liewenthal Electronics Ltd) as the original reporter of CVE-2016-4979.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for httpd24-httpd is now available for Red Hat Software Collections.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTP_PROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request. (CVE-2016-5387)\n\nNote: After this update, httpd will no longer pass the value of the Proxy request header to scripts via the HTTP_PROXY environment variable.\n\n* A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate. (CVE-2016-4979)\n\nRed Hat would like to thank Scott Geary (VendHQ) for reporting CVE-2016-5387 and Apache Software Foundation for reporting CVE-2016-4979. Upstream acknowledges Erki Aring (Liewenthal Electronics Ltd) as the original reporter of CVE-2016-4979.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2016:1420", "url": "https://access.redhat.com/errata/RHSA-2016:1420" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/httpoxy", "url": "https://access.redhat.com/security/vulnerabilities/httpoxy" }, { "category": "external", "summary": "https://access.redhat.com/solutions/2435501", "url": "https://access.redhat.com/solutions/2435501" }, { "category": "external", "summary": "1352476", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1352476" }, { "category": "external", "summary": "1353755", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1353755" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_1420.json" } ], "title": "Red Hat Security Advisory: httpd24-httpd security update", "tracking": { "current_release_date": "2024-11-14T20:46:47+00:00", "generator": { "date": "2024-11-14T20:46:47+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2016:1420", "initial_release_date": "2016-07-18T15:30:41+00:00", "revision_history": [ { "date": "2016-07-18T15:30:41+00:00", "number": "1", "summary": "Initial 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{ "system_name": "Red Hat Bugzilla ID", "text": "1352476" } ], "notes": [ { "category": "description", "text": "A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate.", "title": "Vulnerability description" }, { "category": "summary", "text": "httpd: X509 client certificate authentication bypass using HTTP/2", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.src", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-debuginfo-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-devel-0:2.4.18-11.el6.x86_64", 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the proxy for outgoing HTTP requests. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a CGI script to an attacker-controlled proxy via a malicious HTTP request.", "title": "Vulnerability description" }, { "category": "summary", "text": "HTTPD: sets environmental variable based on user supplied Proxy request header", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.src", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-debuginfo-0:2.4.18-11.el6.x86_64", "6Server-RHSCL-2.2-6.6.Z:httpd24-httpd-devel-0:2.4.18-11.el6.x86_64", 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.