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FFmpeg libavformat "str_read_packet()" Buffer Overflow
Secunia Advisory: SA30994
Release Date: 2008-07-09
Last Update: 2008-07-17
Popularity: 1,754 views

Critical:
Moderately critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Workaround

Software:FFmpeg 0.x

Binary Analysis: BA518 :: Available for 1 Credit

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CVE reference:CVE-2008-3162


Description:
A vulnerability has been reported in FFmpeg, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the "str_read_packet()" function in libavformat/psxstr.c. This can be exploited to cause a heap-based buffer overflow via a specially crafted STR file.

Solution:
Fixed in the SVN repository at revision 13993.
http://svn.mplayerhq.hu/ffmpeg?view=rev&revision=13993

Provided and/or discovered by:
Reported in an FFmpeg bug report.

Changelog:
2008-07-17: Added CVE reference.

Original Advisory:
https://roundup.mplayerhq.hu/roundup/ffmpeg/issue311


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