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Insecure Library Loading
Moderately critical

MPlayer AVI "indx" Chunk and ASF Handling Vulnerabilities

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Release Date:  2006-03-29    Last Update:  2007-09-20    Views:  17,354

Secunia Advisory SA19418

Where:

From remote

Impact:

DoS, System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


xfocus has reported some vulnerabilities in MPlayer, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially to compromise a user's system.

The vulnerabilities are caused due to integer overflow errors in "libmpdemux/asfheader.c" within the handling of an ASF file, and in "libmpdemux/aviheader.c" when parsing the "indx" chunk in an AVI file. This can be exploited to cause heap-based buffer overflows via a malicious ASF file, or via a AVI file with specially-crafted "wLongsPerEntry" and "nEntriesInUse" values in the "indx" chunk.

The vulnerability affects version 1.0pre7try2. Other version may also be affected.


Solution:
Do not open media files from untrusted sources.

Provided and/or discovered by:
xfocus

Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2006-March/044615.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: MPlayer AVI "indx" Chunk and ASF Handling Vulnerabilities

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