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Microsoft Sysinternals DebugView Dbgv.sys Privilege Escalation
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Secunia Advisory:
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SA27552
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Release Date:
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2007-11-07
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | Sysinternals DebugView 4.x
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| | CVE reference: | CVE-2007-4223 (Secunia mirror)
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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.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.
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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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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