National Cyber Awareness System
Vulnerability Summary for CVE-2011-4352
Original release date:08/20/2012
Last revised:08/21/2012
Source:
US-CERT/NIST
Overview
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.
Impact
CVSS Severity (version 2.0):
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
References to Advisories, Solutions, and Tools
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External Source: BUGTRAQ
Name: 20111123 NGS00145 Patch Notification: FFmpeg Libavcodec out of bounds write remote code execution
External Source: MANDRIVA
Name: MDVSA-2012:076
External Source: MANDRIVA
Name: MDVSA-2012:075
External Source: MANDRIVA
Name: MDVSA-2012:074
External Source: UBUNTU
Name: USN-1333-1
External Source: UBUNTU
Name: USN-1320-1
External Source: CONFIRM
Name: http://libav.org/releases/libav-0.7.3.changelog
External Source: CONFIRM
Name: http://libav.org/releases/libav-0.6.4.changelog
External Source: CONFIRM
Name: http://libav.org/releases/libav-0.5.6.changelog
External Source: CONFIRM
Name: http://libav.org/
Type: Advisory
External Source: CONFIRM
Name: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=eef5c35b4352ec49ca41f6198bee8a976b1f81e5
External Source: CONFIRM
Name: http://git.libav.org/?p=libav.git;a=commit;h=8b94df0f2047e9728cb872adc9e64557b7a5152f
External Source: CONFIRM
Name: http://ffmpeg.org/
Type: Advisory
