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Secunia Network Software Inspector 2.0 (NSI) - Public Beta

The Public Beta has ended. Thanks to all that participated.

Learn more:
http://secunia.com/network_software_inspector_2/

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TITLE:
Microsoft Windows XP I2O Utility Filter Driver Privilege Escalation

SECUNIA ADVISORY ID:
SA30203

VERIFY ADVISORY:
http://secunia.com/advisories/30203/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Microsoft Windows XP Home Edition
http://secunia.com/product/16/
Microsoft Windows XP Professional
http://secunia.com/product/22/

DESCRIPTION:
A vulnerability has been reported in Microsoft Windows XP, which can
be exploited by malicious, local users to gain escalated privileges.

An input validation error within a certain IOCTL handler in the I2O
Utility Filter driver (i2omgmt.sys) and insecure permissions on the
\\.\I2OExc device interface can be exploited to overwrite arbitrary
memory and execute code with kernel privileges.

The vulnerability is reported in Windows XP SP2 including i2omgmt.sys
version 5.1.2600.2180. Other versions may also be affected.

SOLUTION:
Apply Windows XP Service Pack 3.
http://www.microsoft.com/downloads/details.aspx?FamilyID=5b33b5a8-5e76-401f-be08-1e1555d4f3d4

PROVIDED AND/OR DISCOVERED BY:
Rubén Santamarta, reported via iDefense Labs.

ORIGINAL ADVISORY:
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=699

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About:
This Advisory was delivered by Secunia as a free service to help
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vulnerabilities.

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http://secunia.com/about_secunia_advisories/


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