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Windows NetMeeting Directory Traversal Vulnerability
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Secunia Advisory:
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SA9170
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Release Date:
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2003-07-02
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Popularity:
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14,614 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From remote
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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
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional
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| Software: | Windows NetMeeting 3.x
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Description:
A vulnerability has been identified in Windows NetMeeting, which can be exploited by malicious people to overwrite arbitrary files on a user's system with the privileges of the user.
The vulnerability is caused due to an input validation error in the file transfer functionality. By specifying a filename starting with the character sequence "..\", it is possible to traverse out of the directory used to receive files. This could potentially overwrite other files on a user's system, which may result in execution of arbitrary code.
The vulnerability has been reported in version 3.01 (4.4.3385). However, other versions may also be vulnerable.
Solution:
Reportedly, the vulnerability has been fixed in Windows 2000 SP4 and Windows XP SP1.
Windows 2000 Service Pack 4:
http://www.microsoft.com/Windows2000/downloads/servicepacks/sp4/
Windows XP (Professional and Home edition) Service Pack 1:
http://www.microsoft.com/WindowsXP/pro/downloads/servicepacks/sp1/
Provided and/or discovered by:
Hernán Ochoa, Gustavo Ajzenman, Javier Garcia Di Palma, and Pablo Rubinstein (Core Security Technologies).
Original Advisory:
http://www.coresecurity.com/common/showdoc.php?idx=352&idxseccion=10
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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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