National Cyber-Alert System
Vulnerability Summary for CVE-2012-0856
Original release date:08/20/2012
Last revised:08/21/2012
Source:
US-CERT/NIST
Overview
Heap-based buffer overflow in the MPV_frame_start function in libavcodec/mpegvideo.c in FFmpeg before 0.9.1, when the lowres option is enabled, allows remote attackers to cause a denial of service (application crash) via a crafted H263 media file. NOTE: this vulnerability exists because of a regression error.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: High
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: CONFIRM
Name: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=21270cffaeab2f67a613907516b2b0cd6c9eacf4
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/trac/ffmpeg/ticket/757
External Source: CONFIRM
Name: http://ffmpeg.org/security.html