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CVE-2003-0543 (GCVE-0-2003-0543)

Vulnerability from cvelistv5 – Published: 2003-10-01 04:00 – Updated: 2024-08-08 01:58
VLAI
Summary
Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://www.redhat.com/support/errata/RHSA-2003-292.html vendor-advisoryx_refsource_REDHAT
http://www.kb.cert.org/vuls/id/255484 third-party-advisoryx_refsource_CERT-VN
http://www.vupen.com/english/advisories/2006/3900 vdb-entryx_refsource_VUPEN
http://www.debian.org/security/2003/dsa-393 vendor-advisoryx_refsource_DEBIAN
http://www-1.ibm.com/support/docview.wss?uid=swg2… x_refsource_CONFIRM
http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm x_refsource_MISC
http://www.debian.org/security/2003/dsa-394 vendor-advisoryx_refsource_DEBIAN
http://www.redhat.com/support/errata/RHSA-2003-291.html vendor-advisoryx_refsource_REDHAT
http://www.cert.org/advisories/CA-2003-26.html third-party-advisoryx_refsource_CERT
http://secunia.com/advisories/22249 third-party-advisoryx_refsource_SECUNIA
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://www.securityfocus.com/bid/8732 vdb-entryx_refsource_BID
http://sunsolve.sun.com/search/document.do?assetk… vendor-advisoryx_refsource_SUNALERT
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?… x_refsource_CONFIRM
http://www.linuxsecurity.com/advisories/engarde_a… vendor-advisoryx_refsource_ENGARDE
Date Public
2003-09-29 00:00
Show details on NVD website
To clipboard 

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      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2003-0543\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2003-11-17T05:00:00.000\",\"lastModified\":\"2026-04-16T00:27:16.627\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values.\"},{\"lang\":\"es\",\"value\":\"Desbordamiento de enteros en OpenSSL 0.9.6 y 0.9.7 permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda) mediante un certificado  SSL de cliente con ciertos valores en la etiqueta ASN.1.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"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\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B5E4742C-A983-4F00-B24F-AB280C0E876D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"45A518E8-21BE-4C5C-B425-410AB1208E9C\"}]}]}],\"references\":[{\"url\":\"http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/22249\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://sunsolve.sun.com/search/document.do?assetkey=1-66-201029-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www-1.ibm.com/support/docview.wss?uid=swg21247112\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.cert.org/advisories/CA-2003-26.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"US Government Resource\"]},{\"url\":\"http://www.debian.org/security/2003/dsa-393\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.debian.org/security/2003/dsa-394\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.kb.cert.org/vuls/id/255484\",\"source\":\"cve@mitre.org\",\"tags\":[\"US Government Resource\"]},{\"url\":\"http://www.linuxsecurity.com/advisories/engarde_advisory-3693.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.redhat.com/support/errata/RHSA-2003-291.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.redhat.com/support/errata/RHSA-2003-292.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/8732\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.vupen.com/english/advisories/2006/3900\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4254\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5292\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor 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Resource\"]},{\"url\":\"http://www.linuxsecurity.com/advisories/engarde_advisory-3693.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.redhat.com/support/errata/RHSA-2003-291.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.redhat.com/support/errata/RHSA-2003-292.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/8732\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.vupen.com/english/advisories/2006/3900\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4254\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5292\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}],\"vendorComments\":[{\"organization\":\"Red Hat\",\"comment\":\"For Red Hat Enterprise Linux 2.1 OpenSSL packages (openssl, openssl096, openssl095a) issue was addressed via RHSA-2003:293.\\n\\nThe OpenSSL packages in Red Hat Enterprise Linux 3 and 4 (openssl, openssl096b) contain a backported patch since their initial release.\\n\\nThe OpenSSL packages in Red Hat Enterprise Linux 5 are based on fixed upstream release (openssl), or contain backported patch since their initial release (openssl097a).\\n\",\"lastModified\":\"2008-07-07T00:00:00\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T13:33:59+00:00",
      "cve": "CVE-2003-0543",
      "id": "CVE-2003-0543",
      "initial_release_date": "2003-09-30T00:00:00+00:00",
      "product_status:fixed": "10",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CAN-2003-0543/0544 OpenSSL ASN.1 protocol crashes",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2003/cve-2003-0543.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2023-12-09T03:44:58Z",
      "cve": "CVE-2003-0543",
      "id": "CVE-2003-0543",
      "initial_release_date": "2023-02-15T06:21:36Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2003-0543",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2003-0543.json",
      "version": "4"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.