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Windows Server 2003 "Shell Folders" Directory Traversal
Secunia Advisory: SA9989
Release Date: 2003-10-10
Last Update: 2005-04-04
Popularity: 19,963 views

Critical:
Not critical
Impact: Security Bypass
Where: From remote
Solution Status: Vendor Patch

OS:Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition

Software:Microsoft Internet Explorer 6.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been reported in Internet Explorer for Windows Server 2003, which can be exploited by malicious people to open arbitrary, known files on a user's system.

The vulnerability is caused due to an input validation error. This can be exploited to open arbitrary, known files outside of "Shell Folders" directories by constructing a link, which uses the "shell:" URI handler and contains the "\.." character sequence.

Example:
<a href="shell:cache\..\..\Local Settings\existing_file.html">

Successful exploitation allows opening arbitrary, known files on a user's system (including files associated with the user profile without having to guess the username).

This vulnerability is not considered critical in itself. However, it may pose a threat if combined with vulnerabilities that can be exploited to place malicious files on a user's system.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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