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CVE-2015-1781 (GCVE-0-2015-1781)

Vulnerability from cvelistv5 – Published: 2015-09-28 20:00 – Updated: 2024-08-06 04:54
VLAI
Summary
Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response, which triggers a call with a misaligned buffer.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://www.sourceware.org/ml/libc-alpha/2015-08/… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2985-2 vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/201602-02 vendor-advisoryx_refsource_GENTOO
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
https://sourceware.org/git/?p=glibc.git%3Ba=commi… x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
https://rhn.redhat.com/errata/RHSA-2015-0863.html vendor-advisoryx_refsource_REDHAT
http://www.debian.org/security/2016/dsa-3480 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-2985-1 vendor-advisoryx_refsource_UBUNTU
https://sourceware.org/bugzilla/show_bug.cgi?id=18287 x_refsource_CONFIRM
http://www.securitytracker.com/id/1032178 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/74255 vdb-entryx_refsource_BID
Date Public
2015-04-21 00:00
Show details on NVD website
To clipboard 

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llamada con un buffer incorrectamente alineado.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp3:*:*:*:*:*:*\",\"matchCriteriaId\":\"58D3B6FD-B474-4B09-B644-A8634A629280\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp4:*:*:*:*:*:*\",\"matchCriteriaId\":\"F892F1B0-514C-42F7-90AE-12ACDFDC1033\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3ED68ADD-BBDA-4485-BC76-58F011D72311\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:linux_enterprise_desktop:11:sp4:*:*:*:*:*:*\",\"matchCriteriaId\":\"17D4B6F2-514D-4BC2-B2C5-4E2FCCAC594C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B072472-B463-4647-885D-E40B0115C810\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:*\",\"matchCriteriaId\":\"2470C6E8-2024-4CF5-9982-CFF50E88EAE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*\",\"matchCriteriaId\":\"55C5561F-BE86-4EEA-99D4-8697F8BD9DFE\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.21\",\"matchCriteriaId\":\"57CAD5CA-C7C1-4567-8E5B-FCA4DA4D516D\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16F59A04-14CF-49E2-9973-645477EA09DA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F38D3B7E-8429-473F-BB31-FC3583EE5A5B\"}]}]}],\"references\":[{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-27T09:26:30+00:00",
      "cve": "CVE-2015-1781",
      "id": "CVE-2015-1781",
      "initial_release_date": "2015-04-21T00:00:00+00:00",
      "product_status:fixed": "342",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "glibc: buffer overflow in gethostbyname_r() and related functions with misaligned buffer",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-1781.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T02:34:16Z",
      "cve": "CVE-2015-1781",
      "id": "CVE-2015-1781",
      "initial_release_date": "2023-02-15T05:21:27Z",
      "product_status:known_affected": "321",
      "product_status:known_not_affected": "133",
      "product_status:recommended": "1371",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-1781",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-1781.json",
      "version": "38"
    }
  }
}



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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.