GNOME Display Manager g_strsplit() Bug Lets Local Users Deny Service
|
|
SecurityTracker Alert ID: 1018523 |
|
SecurityTracker URL: http://securitytracker.com/id/1018523
|
|
CVE Reference:
CVE-2007-3381
(Links to External Site)
|
Date: Aug 7 2007
|
Impact:
Denial of service via local system
|
Fix Available: Yes Vendor Confirmed: Yes
|
Version(s): prior to 2.16.7
|
Description:
A vulnerability was reported in GNOME Display Manager. A local user can cause denial of service conditions.
A local user can send specially crafted commands to crash the target GDM daemon and cause GDM to stop managing any subsequent display sessions.
The flaw resides in daemon/gdm.c, daemon/gdmconfig.c, gui/gdmconfig.c, gui/gdmflexiserver.c, and gui/gdmconfig.c.
|
Impact:
A local user can cause denial of service conditions on the target system.
|
Solution:
The vendor has issued a fixed version (2.16.7).
The GDM advisory is available at:
http://ftp.gnome.org/pub/GNOME/sources/gdm/2.16/gdm-2.16.7.changes
|
Vendor URL: www.gnome.org/projects/gdm/ (Links to External Site)
|
Cause:
State error
|
Underlying OS:
Linux (Any), UNIX (Any)
|
|
Message History:
This archive entry has one or more follow-up message(s) listed below.
|
Source Message Contents
|
Date: Tue, 7 Aug 2007 17:55:25 -0400
Subject: GNOME Display Manager (GDM)
|
http://ftp.gnome.org/pub/GNOME/sources/gdm/2.16/gdm-2.16.7.changes
This fixes CVE-2007-3381 - a denial of service attack where
the user can crash the GDM daemon with a carefully crafted GDM
sockets command and cause GDM to stop managing future displays.
* daemon/gdm.c, daemon/gdmconfig.c, gui/gdmconfig.c,
gui/gdmflexiserver.c, gui/gdmconfig.c: Fix g_strsplit calls
so that NULL return codes are better handled.
|
|
