CVE-2012-0947 (GCVE-0-2012-0947)

Vulnerability from cvelistv5 – Published: 2012-08-20 18:00 – Updated: 2024-08-06 18:45
VLAI
Summary
Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in libavcodec in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VQA media file in which the image size is not a multiple of the block size.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://bugs.launchpad.net/ubuntu/+source/libav/+… x_refsource_MISC
http://www.ubuntu.com/usn/USN-1479-1 vendor-advisoryx_refsource_UBUNTU
http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=… x_refsource_CONFIRM
http://secunia.com/advisories/49089 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2012/dsa-2471 vendor-advisoryx_refsource_DEBIAN
http://libav.org/ x_refsource_CONFIRM
http://www.securityfocus.com/bid/53389 vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2012/05/03/4 mailing-listx_refsource_MLIST
Date Public
2012-04-13 00:00
Show details on NVD website
To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2012-0947\",\"sourceIdentifier\":\"security@ubuntu.com\",\"published\":\"2012-08-20T18:55:02.950\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in libavcodec in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VQA media file in which the image size is not a multiple of the block size.\"},{\"lang\":\"es\",\"value\":\"Un desbordamiento de b\u00fafer basado en memoria din\u00e1mica (\u0027heap\u0027) en la funci\u00f3n vqa_decode_chunk en el c\u00f3dec VQA (vqavideo.c) en libavcodec en Libav v0.5.x antes de v0.5.9, v0.6.x antes de v0.6.6, v0.7.x antes de v0.7.6 y v0.8.x antes de v0.8.2 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de un archivo multimedia VQA modificado en el que el tama\u00f1o de la imagen no es m\u00faltiplo del tama\u00f1o del bloque.\\r\\n\"}],\"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\":true}]},\"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:libav:libav:0.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F27FF9C0-652E-42E8-90D0-B9B369DD6C8D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.5.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"15F27211-2DFC-4488-93D2-9A3664E593AC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.5.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E6418D3A-9972-4819-B2E6-2510438698A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.5.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DF17452C-ED28-4558-9C90-102DF5485103\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.5.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CECEC54E-7014-447C-9174-8C2B026FF0B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.5.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"31BE32E4-9577-4BA7-A275-67A86DB7BCE2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.5.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16A3CC3F-C294-4DB3-97AE-1CFBED14A8AF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.5.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8E252038-F5E0-427F-8E59-FFD633497D09\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ABD1BB7A-D6FF-4B80-9DA6-36D081FB41CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"530C27CC-3250-4C94-8D88-F423FFD0BD4B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.6.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"936C1855-67FB-49C3-A20A-3FE331403366\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.6.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"92EB185C-1909-4359-B0C1-681E4ABEEECF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.6.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"136C7881-DB5A-4018-B01F-D2F9069F53D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.6.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"090BF77B-A099-4ECD-A9BC-AAD4B499F4C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"18053821-801F-4652-AA73-9FDC5F562BA8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.7:beta1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8B20C36-FD4A-4DEB-B060-90C25440606F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.7:beta2:*:*:*:*:*:*\",\"matchCriteriaId\":\"3FB24BD2-D741-4790-89C5-133BF8AEB191\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.7.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D5322AE7-8CAD-45EF-9955-37D16EBBDD40\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.7.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EFCDCA15-DF61-4150-96D7-10D68D07DAD2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.7.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C2D50C72-65B2-4490-9259-2A436207A72D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B3BCDD63-DECF-4494-BCA7-30BFEE7055D0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.7.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F3260A66-B1C9-42F0-841E-63FAB009F020\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4953EC2E-BCD6-41B5-AEB3-0D82C15363A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.8:beta2:*:*:*:*:*:*\",\"matchCriteriaId\":\"3CEBE4E3-50F3-43CB-911F-E1B52C2B8B3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libav:libav:0.8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"86038BA1-9B14-4F12-9D61-B106E70F855C\"}]}]}],\"references\":[{\"url\":\"http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3\",\"source\":\"security@ubuntu.com\"},{\"url\":\"http://libav.org/\",\"source\":\"security@ubuntu.com\"},{\"url\":\"http://secunia.com/advisories/49089\",\"source\":\"security@ubuntu.com\"},{\"url\":\"http://www.debian.org/security/2012/dsa-2471\",\"source\":\"security@ubuntu.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/05/03/4\",\"source\":\"security@ubuntu.com\"},{\"url\":\"http://www.securityfocus.com/bid/53389\",\"source\":\"security@ubuntu.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1479-1\",\"source\":\"security@ubuntu.com\"},{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Exploit\"]},{\"url\":\"http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://libav.org/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/49089\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2012/dsa-2471\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/05/03/4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/53389\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1479-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\"]}]}}"
  }
}



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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.