National Cyber-Alert System
Vulnerability Summary for CVE-2012-0850
Original release date:08/20/2012
Last revised:08/21/2012
Source:
US-CERT/NIST
Overview
The sbr_qmf_synthesis function in libavcodec/aacsbr.c in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (application crash) via a crafted mpg file that triggers memory corruption involving the v_off variable, probably a buffer underflow.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
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 disruption of serviceUnknown
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External Source: CONFIRM
Name: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=944f5b2779e4aa63f7624df6cd4de832a53db81b
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20120214 Re: CVE Requests for FFmpeg 0.9.1
External Source: MLIST
Name: [oss-security] 20120201 Re: CVE Requests for FFmpeg 0.9.1
External Source: CONFIRM
Name: http://ffmpeg.org/security.html