77291 : FFmpeg Multiple Function Out-of-bounds Read Remote DoS
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Timeline

Disclosure Date
2011-11-21

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2011-4353" target="_blank">CVE</a>)</em> : The (1) av_image_fill_pointers, (2) vp5_parse_coeff, and (3) vp6_parse_coeff functions 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 allow remote attackers to cause a denial of service (out-of-bounds read) via a crafted VP5 or VP6 stream.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 0.7.8 or 0.8.7 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

CVE ID: 2011-4353 (see also: NVD)
Secunia Advisory ID: 46888 47380 47465 47602
Bugtraq ID: 50760
Related OSVDB ID: 77289 77290
Vendor Specific News/Changelog Entry: http://ffmpeg.org/#pr7dot8and8dot7
http://libav.org/releases/libav-0.5.6.changelog
http://libav.org/releases/libav-0.6.4.changelog
http://libav.org/releases/libav-0.7.3.changelog
http://www.debian.org/security/2012/dsa-2378
http://www.ubuntu.com/usn/usn-1320-1
http://www.ubuntu.com/usn/usn-1333-1/
https://launchpad.net/ubuntu/+source/ffmpeg/4:0.6-2ubuntu6.3
Other Advisory URL: http://www.mandriva.com/security/advisories?name=MDVSA-2012:074
http://www.mandriva.com/security/advisories?name=MDVSA-2012:075
http://www.mandriva.com/security/advisories?name=MDVSA-2012:076

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2012-08-21 | Disagree?

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