Vulnerability Details : CVE-2011-3947
Buffer overflow in mjpegbdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted MJPEG-B file.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2011-3947
- cpe:2.3:a:ffmpeg:ffmpeg:0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.7.11:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.7.8:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.8.10:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.8.8:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.8.7:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:0.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.6:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.5:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.7:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.8:*:*:*:*:*:*:*
- cpe:2.3:a:libav:libav:0.8:beta2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-3947
2.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-3947
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
CWE ids for CVE-2011-3947
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-3947
-
http://git.libav.org/?p=libav.git;a=commit;h=b57d262412204e54a7ef8fa1b23ff4dcede622e5
git.libav.org Git - libav.git/commit
-
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=b57d262412204e54a7ef8fa1b23ff4dcede622e5
git.videolan.org Git - ffmpeg.git/commit
-
http://www.ubuntu.com/usn/USN-1479-1
USN-1479-1: FFmpeg vulnerabilities | Ubuntu security notices
-
http://ffmpeg.org/
FFmpegVendor Advisory
-
http://libav.org/
LibavVendor Advisory
-
http://www.debian.org/security/2012/dsa-2471
Debian -- Security Information -- DSA-2471-1 ffmpeg
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