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Moderately critical

Xedus Web Server Multiple Vulnerabilities

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Release Date:  2004-09-03    Last Update:  2005-02-22    Views:  7,436

Secunia Advisory SA12418

Where:

From remote

Impact:

Cross Site Scripting, Exposure of system information, Exposure of sensitive information, DoS

Solution Status:

Unpatched

CVE Reference(s):

Description


James Bercegay has reported some vulnerabilities in Xedus Web Server, which can be exploited by malicious people to conduct DoS (Denial of Service) and cross-site scripting attacks, and access sensitive information.

1) An error in the connection handling can be exploited to block legitimate access to the web server by establishing multiple connections. This prevents further connections from being established.

2) User input passed to various scripts aren't sanitised sufficiently before being returned to the user. This can be exploited to execute arbitrary HTML or script code in a user's browser session in context of an affected site by tricking the user into visiting a malicious website or follow a specially crafted link.

Example:
http://[host]:4274/test.x?username=[code]
http://[host]:4274/TestServer.x?username=[code]
http://[host]:4274/testgetrequest.x?param=[code]

3) An input validation error makes it possible to access arbitrary files outside the web root via directory traversal attacks.

Example:
http://[host]:4274/../[existing_file]

The vulnerabilities have been reported in version 1.0.


Solution:
Use another product.

Provided and/or discovered by:
James Bercegay, GulfTech Security Research Team.

Original Advisory:
http://www.gulftech.org/?node=research&article_id=00047-08302004

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Xedus Web Server Multiple Vulnerabilities

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