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silentThought Simple Web Server Directory Traversal Vulnerability
Secunia Advisory: SA9020
Release Date: 2003-06-13
Popularity: 5,065 views

Critical:
Moderately critical
Impact: Exposure of system information
Exposure of sensitive information
Where: From remote
Solution Status: Vendor Patch

Software:silentThought Simple Web Server 1.x

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Description:
silentThought Simple Web Server fails to check input properly in HTTP GET requests. This allows malicious people to perform directory traversals by including "../" in a request to the web server.

Example:
http://[victim]/../../winnt/repair/sam._

The vulnerability has been reported in version 1.0.

Solution:
Filter "../" and other potentially malicious requests in a proxy or firewall with URL filtering capabilities.

Install silentThought Simple Web Server's web root at a separate partition.

Provided and/or discovered by:
Ziv Kamir


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