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TITLE:
FFmpeg libavformat "str_read_packet()" Buffer Overflow

SECUNIA ADVISORY ID:
SA30994

VERIFY ADVISORY:
http://secunia.com/advisories/30994/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
FFmpeg 0.x
http://secunia.com/product/6372/

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.

ORIGINAL ADVISORY:
https://roundup.mplayerhq.hu/roundup/ffmpeg/issue311

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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