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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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Popularity:
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5,367 views
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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
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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.
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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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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