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Insecure Library Loading
Highly critical

VLC Media Player Multiple Vulnerabilities

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Release Date:  2011-01-03    Last Update:  2011-02-04    Views:  6,443

Secunia Advisory SA42773

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in VLC Media Player, which can be exploited by malicious people to potentially compromise a user's system.

1) An array indexing error exists within the Real demuxer when processing certain Real Media files, which can be exploited by e.g. tricking a user into opening a specially crafted Real Media file.

2) An error exists within the "DecodeTileBlock()" function in modules/codec/cdg.c when processing certain CDG files, which can be exploited by to cause a heap corruption by e.g. tricking a user into opening a specially crafted CDG file.

3) An error exists within the "DecodeScroll()" function in modules/codec/cdg.c when processing certain CDG files, which can be exploited to cause a heap corruption by e.g. tricking a user into opening a specially crafted CDG file.

4) A boundary error within the "StripTags()" functions in modules/codec/subtitles/subsdec.c and modules/codec/subtitles/subsusf.c can be exploited to cause a heap-based buffer overflow by e.g. tricking a user into opening a media file containing specially crafted subtitles.

The vulnerabilities are reported in version 1.1.5. Prior versions may also be affected.


Solution:
Update to version 1.1.6.

Provided and/or discovered by:
1,2,3) Dan Rosenberg
4) Harry Sintonen

Original Advisory:
VideoLAN:
http://www.videolan.org/security/sa1007.html
http://www.videolan.org/security/sa1101.html

Launchpad Bug #690173:
https://bugs.launchpad.net/ubuntu/maverick/+source/vlc/+bug/690173

1) http://git.videolan.org/?p=vlc.git;a=commitdiff;h=6568965770f906d34d4aef83237842a5376adb55
2,3) http://git.videolan.org/?p=vlc.git;a=commitdiff;h=f9b664eac0e1a7bceed9d7b5854fd9fc351b4aab
4) http://mailman.videolan.org/pipermail/vlc-devel/2011-January/078607.html

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: VLC Media Player Multiple Vulnerabilities

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