CVE-2011-3149 (GCVE-0-2011-3149)

Vulnerability from cvelistv5 – Published: 2012-07-22 17:00 – Updated: 2024-08-06 23:22
VLAI?
Summary
The _expand_arg function in the pam_env module (modules/pam_env/pam_env.c) in Linux-PAM (aka pam) before 1.1.5 does not properly handle when environment variable expansion can overflow, which allows local users to cause a denial of service (CPU consumption).
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://security.gentoo.org/glsa/glsa-201206-31.xml vendor-advisoryx_refsource_GENTOO
http://www.ubuntu.com/usn/USN-1237-1 vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/46583 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/49711 third-party-advisoryx_refsource_SECUNIA
https://bugs.launchpad.net/ubuntu/+source/pam/+bu… x_refsource_CONFIRM
http://git.fedorahosted.org/git/?p=linux-pam.git%… x_refsource_CONFIRM
Date Public ?
2011-10-24 00:00
Show details on NVD website
To clipboard 

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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2011-3149\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2012-07-22T17:55:01.103\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The _expand_arg function in the pam_env module (modules/pam_env/pam_env.c) in Linux-PAM (aka pam) before 1.1.5 does not properly handle when environment variable expansion can overflow, which allows local users to cause a denial of service (CPU consumption).\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n _expand_arg en el m\u00f3dulo pam_env (modules / pam_env / pam_env.c) en Linux-PAM (tambi\u00e9n conocido como pam) antes de v1.1.5 no controla correctamente cuando la expansi\u00f3n de la variable de entorno puede desbordarse, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (el consumo de CPU).\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"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-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.1.4\",\"matchCriteriaId\":\"92B08B4D-8A9C-4BF4-94AD-9ED9E86C7138\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B59C70C7-FABE-4A45-A45D-2C7276D698DF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DBA50D8F-D5A8-4123-93CF-E7714571F411\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB8820C0-1ECB-45AD-A573-5667F0D09776\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5D416053-0010-4B25-9F7C-6054C51C1685\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B97AB578-0E9E-4370-8379-0CD455F2D740\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"22A6147C-CC0A-4C9F-B9A9-E144F2133592\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6DEF8EC8-0E0A-4C0A-95BE-FB7C23732083\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C9A9AB1C-FDF8-4E98-8773-387E03CD93E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.6.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8F94AA92-5854-46B9-8B3C-08FCC5B071CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.6.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FD5C0039-827C-45CD-99BE-95459006CA59\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F4256C34-DBCA-4FE0-96A5-874D7F00869A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.7.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1B2613D2-33C1-4132-AD9A-68190A59C0F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"08FDE78F-119B-4FC8-BBFA-8048F2CF1227\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C4A75789-F7EC-4D9C-942A-243DF92E5CA5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3753027E-D3A4-45D4-A3A3-2320C48AF6C6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:0.99.10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6533A629-6351-4831-BBF7-44718262FAF3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"516F23F9-25B3-40DB-A3CA-2F1DE0678934\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F3ACA7F-D247-439C-8B5E-287EC5D236AF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6A30E5C3-501D-4DAA-B7F7-E42F98DEDBF9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.0.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AEC8C86C-9FC7-4838-BFD8-90431DEC4946\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.0.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EBE3BF43-7402-4CC0-A329-C8597A0758C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7A39C8AD-FA7C-4C64-AAB7-93CC461E73F2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1F7BA7CC-F284-40C8-998D-FC70CCAB58D9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.1.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"56F68CBA-E64A-4085-8902-5EBF9A5349D6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linux-pam:linux-pam:1.1.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4B696CDD-C93E-4E88-B2DC-BB9978D879E2\"}]}]}],\"references\":[{\"url\":\"http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://secunia.com/advisories/46583\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/49711\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://security.gentoo.org/glsa/glsa-201206-31.xml\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1237-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/46583\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/49711\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://security.gentoo.org/glsa/glsa-201206-31.xml\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1237-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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Tags
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.