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Insecure Library Loading
Moderately critical

MPlayer ASF File Parsing Integer Overflow Vulnerabilities

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Release Date:  2006-02-07    Last Update:  2006-02-09    Views:  18,729

Secunia Advisory SA18718

Where:

From remote

Impact:

DoS, System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


AFI Security Research has discovered two vulnerabilities in mplayer, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a user's system.

Integer overflow errors exist in the "new_demux_packet()" function in "libmpdemux/demuxer.h" and the "demux_asf_read_packet()" function in "libmpdemux/demux_asf.c" when allocating memory to copy data from an ".asf" file. This can be exploited to cause heap-based buffer overflows via a specially crafted ".asf" file with an overly large value in the packet length field.

The vulnerabilities have been confirmed in version 1.0pre7try2. Other versions may also be affected.


Solution:
Do not open untrusted ".asf" files.

Provided and/or discovered by:
AFI Security Research

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 ASF File Parsing Integer Overflow Vulnerabilities

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