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Secunia is proud to announce the availability of the Secunia Software
Inspector.

The Secunia Software Inspector is a free service that detects insecure
versions of software that you may have installed in your system. When
insecure versions are detected, the Secunia Software Inspector also
provides thorough guidelines for updating the software to the latest
secure version from the vendor.

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TITLE:
Microsoft Windows CSRSS Information Disclosure Vulnerability

SECUNIA ADVISORY ID:
SA23491

VERIFY ADVISORY:
http://secunia.com/advisories/23491/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
Local system

OPERATING SYSTEM:
Microsoft Windows XP Professional
http://secunia.com/product/22/
Microsoft Windows 2000 Server
http://secunia.com/product/20/
Microsoft Windows 2000 Professional
http://secunia.com/product/1/
Microsoft Windows 2000 Datacenter Server
http://secunia.com/product/1177/
Microsoft Windows 2000 Advanced Server
http://secunia.com/product/21/
Microsoft Windows XP Home Edition
http://secunia.com/product/16/

DESCRIPTION:
Rubén Santamarta has discovered a vulnerability in Microsoft Windows,
which can be exploited by malicious, local users to gain knowledge of
sensitive information.

The problem is that CSRSS.exe does not properly validate arguments
passed via NtRaiseHardError and can be exploited to view the contents
of CSRSS process memory.

The vulnerability is confirmed on a fully-patched Windows XP SP2
system and reportedly affects Windows 2000 SP4 as well. Other
versions may also be affected.

SOLUTION:
Allow only trusted users access to the system.

PROVIDED AND/OR DISCOVERED BY:
Rubén Santamarta

ORIGINAL ADVISORY:
http://www.reversemode.com/index.php?option=com_content&task=view&id=29&Itemid=2

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/about_secunia_advisories/


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Secunia recommends that you verify all advisories you receive by
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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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