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TITLE:
GStreamer "gst_vorbis_tag_add_coverart()" Integer Overflow
Vulnerability

SECUNIA ADVISORY ID:
SA34335

VERIFY ADVISORY:
http://secunia.com/advisories/34335/

DESCRIPTION:
A vulnerability has been reported in GStreamer, which can potentially
by exploited by malicious people to compromise an application using
the library.

The vulnerability is caused due to an integer overflow within the
"gst_vorbis_tag_add_coverart()" function in
gst-libs/gst/tag/gstvorbistag.c of the GStreamer Base Plugins when
processing "COVERART" tags. This can be exploited to cause a
heap-based buffer overflow by e.g. tricking an application using the
library into processing a malicious Ogg/Vorbis file containing a
specially crafted "COVERART" tag.

This is related to:
SA34267

SOLUTION:
Fixed in the GIT repository.

PROVIDED AND/OR DISCOVERED BY:
Originally reported in GLib by Diego Pettenò. Reported in GStreamer
by Thomas Hoger.

ORIGINAL ADVISORY:
oCERT #2008-015:
http://www.ocert.org/advisories/ocert-2008-015.html

OTHER REFERENCES:
SA34267:
http://secunia.com/advisories/34267/

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