CVE-2011-3362

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.

Published Bysecalert@redhat.com

Published DateOct 02, 2011, 20:55

Weakness Type (CWE):CWE-189

CVSS Metrics

Base Score

6.8

Vector String

AV:N/AC:M/Au:N/C:P/I:P/A:P

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

PARTIAL

Integrity (I)

PARTIAL

Availability (A)

PARTIAL

References

http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=91d5da9321c52e8197fb14046ebb335f3e6ff4a0
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=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

Weakness Type (CWE):CWE-189

CVSS Metrics

Base Score

6.8

Vector String

AV:N/AC:M/Au:N/C:P/I:P/A:P

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

PARTIAL

Integrity (I)

PARTIAL

Availability (A)

PARTIAL