GLSA-200903-33 : FFmpeg: Multiple vulnerabilities

This script is Copyright (C) 2009-2016 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200903-33
(FFmpeg: Multiple vulnerabilities)

Multiple vulnerabilities were found in FFmpeg:
reported a stack-based buffer overflow in the str_read_packet() in
libavformat/psxstr.c when processing .str files (CVE-2008-3162).
Multiple buffer overflows in libavformat/utils.c
A buffer overflow in libavcodec/dca.c
An unspecified vulnerability in the
avcodec_close() function in libavcodec/utils.c (CVE-2008-4868).
Unspecified memory leaks (CVE-2008-4869).
Tobias Klein
repoerted a NULL pointer dereference due to an integer signedness error
in the fourxm_read_header() function in libavformat/4xm.c

Impact :

A remote attacker could entice a user to open a specially crafted media
file, possibly leading to the execution of arbitrary code with the
privileges of the user running the application, or a Denial of Service.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All FFmpeg users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=media-video/ffmpeg-0.4.9_p20090201'
All gst-plugins-ffmpeg users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=media-plugins/gst-plugins-ffmpeg-0.10.5'
All Mplayer users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=media-video/mplayer-1.0_rc2_p28450'

Risk factor :

Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.7
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 35969 (gentoo_GLSA-200903-33.nasl)

Bugtraq ID: 33502

CVE ID: CVE-2008-3162

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