National Vulnerability Database (NVD) National Vulnerability Database (CVE-2012-0947)

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Vulnerability Summary for CVE-2012-0947

Original release date:08/20/2012

Last revised:11/27/2012

Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 8.6

CVSS Version 2 Metrics:

Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM

Name: http://git.libav.org/?p=libav.git;a=commit;h=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3

Type: Patch Information

Hyperlink:http://git.libav.org/?p=libav.git;a=commit;h=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3

External Source: MISC

Name: https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963

Hyperlink:https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963

External Source: UBUNTU

Name: USN-1479-1

Hyperlink:http://www.ubuntu.com/usn/USN-1479-1

External Source: BID

Name: 53389