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Microsoft Windows Kernel APC Queue List Handling Privilege Escalation
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Secunia Advisory:
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SA15821
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Release Date:
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2005-12-13
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Last Update:
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2005-12-14
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Popularity:
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11,757 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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| OS: | Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
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| CVE reference: | CVE-2005-2827
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Description:
A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to an error in the thread termination routine in the Kernel when freeing entries in the APC (Asynchronous Procedure Call) queue list. This can be exploited to alter arbitrary kernel memory, potentially allowing the execution flow to be altered via a malicious program
Successful exploitation allows a malicious user to gain escalated privileges but requires a valid logon to the affected system.
Solution:
Apply patches.
Microsoft Windows 2000 (requires SP 4):
http://www.microsoft.com/downloads/de...=3832FF23-6B04-4CA2-80B9-D344B4CC98EA
Provided and/or discovered by:
Derek Soeder, eEye Digital Security.
Changelog:
2005-12-14: Added information from eEye Digital Security. Updated "Description", "Original Advisory" and credit sections.
Original Advisory:
MS05-055 (KB908523):
http://www.microsoft.com/technet/security/Bulletin/MS05-055.mspx
eEye Digital Security:
http://www.eeye.com/html/research/advisories/AD20051213.html
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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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