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>> GNOME Display Manager Configure Login Manager Security Bypass Vulnerability

Title : GNOME Display Manager Configure Login Manager Security Bypass Vulnerability
VUPEN ID : VUPEN/ADV-2006-2239
CVE ID : CVE-2006-2452
Rated as : Moderate Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2006-06-09


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in GNOME Display Manager (GDM), which could be exploited by malicious users to bypass security restrictions and gain elevated privileges. This flaw is due to an error in the "Face Browser" feature that allows local users to access the "Configure Login Manager" functionality using their own password instead of the root password, which could be exploited by local attackers to potentially obtain elevated privileges.

Affected Products

GNOME Display Manager versions 2.8.x
GNOME Display Manager versions 2.14.x
GNOME Display Manager versions 2.15.x

Solution

Upgrade to GDM version 2.8.0.8, 2.14.8, or 2.15.4 :
http://ftp.gnome.org/pub/gnome/sources/gdm/

References

http://www.vupen.com/english/advisories/2006/2239
http://bugzilla.gnome.org/show_bug.cgi?id=343476
http://ftp.gnome.org/pub/gnome/sources/gdm/2.8/gdm-2.8.0.8.news
http://ftp.gnome.org/pub/gnome/sources/gdm/2.14/gdm-2.14.8.news
http://ftp.acc.umu.se/pub/gnome/sources/gdm/2.15/gdm-2.15.4.news

Credits

Vulnerability reported by Victor Daniel

ChangeLog

2006-06-09 : Initial release

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