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Microsoft Windows Unauthorised Thread Termination
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Secunia Advisory:
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SA9921
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Release Date:
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2003-10-03
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Popularity:
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18,405 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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Unpatched
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| OS: | Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows NT 4.0 Server
Microsoft Windows NT 4.0 Server, Terminal Server Edition
Microsoft Windows NT 4.0 Workstation
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been reported in Windows, which can be exploited by malicious, local users to terminate certain privileged programs.
The problem is that the "PostThreadMessage" API allows any program to send a "WM_QUIT", "WM_CLOSE", or "WM_DESTROY" message to another program's thread on the same desktop. This can be exploited by unprivileged users to close a personal firewall or other privileged application running on a system without having permissions to do so.
Successful exploitation requires that the program's thread has a message queue, since the "PostThreadMessage" API will fail otherwise.
A PoC (Proof of Concept) exploit is available.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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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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