SB2011100202 - Input validation error in ffmpeg.sourceforge.net FFmpeg
Published: October 2, 2011 Updated: August 4, 2020
Security Bulletin ID
SB2011100202
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2011-3362)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Integer signedness error in the decode_residual_block function in cavsdec.c in libavcodec in FFmpeg before 0.7.3 and 0.8.x before 0.8.2, and libav through 0.7.1, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted Chinese AVS video (aka CAVS) file.
Remediation
Install update from vendor's website.
References
- http://git.videolan.org/?p=ffmpeg.git;a=commit;h=91d5da9321c52e8197fb14046ebb335f3e6ff4a0
- http://git.videolan.org/?p=ffmpeg.git;a=commit;h=c5cbda50793e311aa73489d12184ffd6761c9fbf
- http://secunia.com/advisories/45532
- http://www.ffmpeg.org/releases/ffmpeg-0.7.5.changelog
- http://www.ffmpeg.org/releases/ffmpeg-0.8.4.changelog
- http://www.ocert.org/advisories/ocert-2011-002.html
- http://www.openwall.com/lists/oss-security/2011/09/13/4
- http://www.openwall.com/lists/oss-security/2011/09/14/8