From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Nov 07 2007 - 17:47:03 CST

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TITLE:
Microsoft Sysinternals DebugView Dbgv.sys Privilege Escalation

SECUNIA ADVISORY ID:
SA27552

VERIFY ADVISORY:
http://secunia.com/advisories/27552/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Sysinternals DebugView 4.x
http://secunia.com/product/15350/

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

The problem is that the application loads the Dbgv.sys driver, which
is accessible by all users and includes a certain unspecified
function that can be exploited to e.g. copy arbitrary data to an
arbitrary address.

Successful exploitation allows execution of arbitrary code with
kernel privileges, but requires that the application is first started
by a user with administrative privileges.

The vulnerability is reported in version 4.64. Other versions may
also be affected.

SOLUTION:
Update to version 4.72.
http://www.microsoft.com/technet/sysinternals/utilities/debugview.mspx

PROVIDED AND/OR DISCOVERED BY:
Discovered by Stephen Fewer of Harmony Security and reported via
iDefense Labs.

ORIGINAL ADVISORY:
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=621

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