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Insecure Library Loading
Moderately critical

FFmpeg Multiple Vulnerabilities

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Release Date:  2011-02-09    Last Update:  2011-05-27    Views:  2,091

Secunia Advisory SA43197

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Workaround

Software:

CVE Reference(s):

Description


Some vulnerabilities have been reported in FFmpeg, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the library.

1) Errors within the Vorbis Decoder (libavcodec/vorbis_dec.c) component when processing certain Vorbis files can be exploited to e.g. cause a crash or memory corruption by tricking a user into opening specially crafted Vorbis files.

2) An error within the handling of malformed VC1 files can be exploited to e.g. cause a stack corruption by tricking a user into opening specially crafted VC1 files.

3) An error within the "ape_read_header()" function in libavformat/ape.c can be exploited to e.g. cause a division by zero or memory corruption by tricking a user into opening specially crafted APE files.


Solution:
Fixed in version 0.6.90-rc0.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) gmaxwell and CERT
2) Dan Rosenberg
3) KedAns-Dz

Original Advisory:
http://roundup.ffmpeg.org/issue2322
http://roundup.ffmpeg.org/issue2548
http://roundup.ffmpeg.org/issue2550
http://git.ffmpeg.org/?p=ffmpeg.git;a=commitdiff;h=3dde66752d59dfdd0f3727efd66e7202b3c75078
http://git.ffmpeg.org/?p=ffmpeg.git;a=commitdiff;h=366d919016a679d3955f6fe5278fa7ce4f47b81e
http://git.ffmpeg.org/?p=ffmpeg.git;a=commitdiff;h=13184036a6b1b1d4b61c91118c0896e9ad4634c3
http://git.ffmpeg.org/?p=ffmpeg.git;a=commitdiff;h=925aa96915b8143017cb63418cb709b992c59065
http://ffmpeg.org/releases/ffmpeg-0.5.4.changelog
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=8312e3fc9041027a33c8bc667bb99740fdf41dd5

Launchpad Bug #690169:
https://bugs.launchpad.net/ubuntu/+source/vlc/+bug/690169

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: FFmpeg Multiple Vulnerabilities

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