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MPlayer AVI "indx" Chunk and ASF Handling Vulnerabilities
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Secunia Advisory:
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SA19418
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Release Date:
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2006-03-29
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Last Update:
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2007-09-20
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Popularity:
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11,478 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | MPlayer 1.x
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| CVE reference: | CVE-2006-1502
CVE-2007-4938
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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
Changelog:
2006-04-03: Added CVE reference.
2007-09-20: Added CVE reference.
Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2006-March/044615.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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