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Category:   Application (Generic)  >   X Vendors:   X.org
(OpenBSD Issues Fix) X Server Buffer Overflow Render Extension Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1016020
SecurityTracker URL:  http://securitytracker.com/id/1016020
CVE Reference:   CVE-2006-1526   (Links to External Site)
Date:  May 3 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in X server. A remote user can execute arbitrary code on the target system.

A buffer overflow exists in the X server RENDER extension implementation. A remote user (client) can send specially crafted data to trigger a buffer overflow and execute arbitrary code on the target system. The code may run with elevated privileges.

The vulnerability resides in 'render/mitri.c'.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   OpenBSD has issued the following patches:

http://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/002_xorg.patch
http://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/007_xorg.patch
http://ftp.openbsd.org/pub/OpenBSD/patches/3.7/common/013_xorg.patch

Vendor URL:  www.x.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  UNIX (OpenBSD)
Underlying OS Comments:  3.7, 3.8, 3.9

Message History:   This archive entry is a follow-up to the message listed below.
May 3 2006 X Server Buffer Overflow Render Extension Lets Remote Users Execute Arbitrary Code



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