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TITLE:
GNOME Display Manager Denial of Service

SECUNIA ADVISORY ID:
SA26313

VERIFY ADVISORY:
http://secunia.com/advisories/26313/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

SOFTWARE:
GNOME Display Manager (GDM) 2.x
http://secunia.com/product/2060/

DESCRIPTION:
A vulnerability has been discovered in GNOME Display Manager, which
can be exploited by malicious, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to the GDM daemon improperly handling
NULL values returned by the "g_strsplit" function. This can be
exploited to crash the GNOME Display Manager by sending specially
crafted requests to the local GDM socket.

The vulnerability is confirmed in version 2.16.0-10-fc6 on Fedora 6
and also reported in versions prior to 2.14.13, 2.16.7, 2.18.4 and
2.19.5.

SOLUTION:
Update to version 2.14.13, 2.16.7, or  2.18.4.
http://ftp.gnome.org/pub/GNOME/sources/gdm

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://ftp.gnome.org/pub/GNOME/sources/gdm/2.16/gdm-2.16.7.changes

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About:
This Advisory was delivered by Secunia as a free service to help
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vulnerabilities.

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


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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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