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Microsoft Sysinternals DebugView Dbgv.sys Privilege Escalation

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Release Date:  2007-11-07    Views:  14,781

Secunia Advisory SA27552

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Vendor Patch

CVE Reference(s):

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.

Further details available to Secunia VIM customers

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

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Microsoft Sysinternals DebugView Dbgv.sys Privilege Escalation

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