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[ GLSA 200602-01 ] GStreamer FFmpeg plugin: Heap-based buffer overflow
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GLSA
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PostPosted: Sun Feb 05, 2006 7:26 pm    Post subject: [ GLSA 200602-01 ] GStreamer FFmpeg plugin: Heap-based buffe Reply with quote

Gentoo Linux Security Advisory

Title: GStreamer FFmpeg plugin: Heap-based buffer overflow (GLSA 200602-01)
Severity: normal
Exploitable: remote
Date: February 05, 2006
Bug(s): #119512
ID: 200602-01

Synopsis


The GStreamer FFmpeg plugin is vulnerable to a buffer overflow that may be
exploited by attackers to execute arbitrary code.


Background


The GStreamer FFmpeg plugin uses code from the FFmpeg library to
provide fast colorspace conversion and multimedia decoders to the
GStreamer open source media framework.


Affected Packages

Package: media-plugins/gst-plugins-ffmpeg
Vulnerable: < 0.8.7-r1
Unaffected: >= 0.8.7-r1
Architectures: All supported architectures


Description


The GStreamer FFmpeg plugin contains derived code from the FFmpeg
library, which is vulnerable to a heap overflow in the
"avcodec_default_get_buffer()" function discovered by Simon Kilvington
(see GLSA 200601-06).


Impact


A remote attacker could entice a user to run an application using
the GStreamer FFmpeg plugin on a maliciously crafted PIX_FMT_PAL8
format image file (like PNG images), possibly leading to the execution
of arbitrary code with the permissions of the user running the
application.


Workaround


There is no known workaround at this time.


Resolution


All GStreamer FFmpeg plugin users should upgrade to the latest
version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=media-plugins/gst-plugins-ffmpeg-0.8.7-r1"


References

CVE-2005-4048
GLSA 200601-06


Last edited by GLSA on Mon Jun 10, 2013 4:22 am; edited 2 times in total
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