TITLE:
xine-lib CDDB Client Format String Vulnerability

SECUNIA ADVISORY ID:
SA17099

VERIFY ADVISORY:
http://secunia.com/advisories/17099/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
xine-lib 1.x
http://secunia.com/product/3410/

DESCRIPTION:
Ulf Harnhammar has reported a vulnerability in xine-lib, which
potentially can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to a format string error in
"input_cdda.c" when writing CD metadata retrieved from a CDDB server
to a cache file. This may be exploited to execute arbitrary code on a
user's system when the user plays a CD, which causes xine-lib to
download potentially malicious CD metadata from a CDDB server.

Successful exploitation requires that the attacker e.g. modifies
entries on the CDDB server, trick the user into connecting to a
malicious CDDB server, or trick the user into visiting a website
containing embedded xine Audio CD MRL (Media Resource Locator).

The vulnerability has been reported in the following versions:
* All 1-beta releases starting with and including 1-beta3.
* All 1-rc releases.
* All 1.0 releases up to and including 1.0.2.
* The 1.1.0 release.

SOLUTION:
Update to version 1.0.3a.
http://xinehq.de/index.php/releases

The vulnerability has also been fixed in the CVS repositories.

PROVIDED AND/OR DISCOVERED BY:
Ulf Harnhammar

ORIGINAL ADVISORY:
Xine:
http://xinehq.de/index.php/security/XSA-2005-1

Gentoo Bugzilla:
http://bugs.gentoo.org/show_bug.cgi?id=107854

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