Vulnerability CVE-2011-3941 - CERT Civis.Net

Vulnerability Name:

CVE-2011-3941 (CCN-72791)

Assigned:

2011-10-01

Published:

2012-01-30

Updated:

2014-01-04

Summary:

The decode_mb function in libavcodec/error_resilience.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via vectors related to an uninitialized block index, which triggers an out-of-bounds write.

CVSS v3 Severity:

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
5.5 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.0 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2011-3941

Source: CCN
Type: FFmpeg Web site
FFmpeg Security

Source: CONFIRM
Type: Exploit, Patch
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=c77be3a35a0160d6af88056b0899f120f2eef38e

Source: CCN
Type: SA47765
FFmpeg Multiple Vulnerabilities

Source: CCN
Type: SA49022
FFmpeg Multiple Vulnerabilities

Source: CONFIRM
Type: UNKNOWN
http://www.ffmpeg.org/security.html

Source: CCN
Type: BID-51720
FFmpeg Multiple Remote Vulnerabilities

Source: XF
Type: UNKNOWN
ffmpeg-decodemb-code-exec(72791)

Vulnerable Configuration:

Configuration 1:

cpe:/a:ffmpeg:ffmpeg:0.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.3.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.3.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.3.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.3.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.0:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.8:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.4.9:pre1:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.5.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.5.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.5.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.5.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.5.4.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.5.4.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.5.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.6.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.6.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.6.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.8:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.9:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.11:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.12:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.0:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.5:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.5.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.5.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.8:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.10:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.11:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.9:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:* (Version <= 0.9.1)

Configuration CCN 1:

cpe:/a:ffmpeg:ffmpeg:0.8.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.1:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.2:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.4:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.3:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.7.7:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.8.6:*:*:*:*:*:*:*

OR cpe:/a:ffmpeg:ffmpeg:0.9:*:*:*:*:*:*:*

Denotes that component is vulnerable