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TITLE:
X.Org X11 X Display Manager "Xsession" Script Security Issue

SECUNIA ADVISORY ID:
SA22439

VERIFY ADVISORY:
http://secunia.com/advisories/22439/

CRITICAL:
Not critical

IMPACT:
Exposure of system information

WHERE:
Local system

SOFTWARE:
X Window System 11 (X11) 7.x
http://secunia.com/product/8806/
X Window System 11 (X11) 6.x
http://secunia.com/product/3913/

DESCRIPTION:
A security issue has been reported in X.Org X11, which can be
exploited by malicious, local users to gain access to system
information.

The security issue is caused due to a race condition within the
Xsession script of the X Display Manager (xdm), which can be
exploited to gain access to the xdm error log files of other users.

The security issue is reported in versions before 2006-02-25.

SOLUTION:
Update to version 1.0.4.

PROVIDED AND/OR DISCOVERED BY:
Reported in a NetBSD bug.

ORIGINAL ADVISORY:
https://bugs.freedesktop.org/show_bug.cgi?id=5897
https://bugs.freedesktop.org/show_bug.cgi?id=5898

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About:
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