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Apache HTTP Method Request Entity Too Large Cross-Site Scripting

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Release Date:  2007-12-03    Last Update:  2008-01-03    Views:  32,122

Secunia Advisory SA27906

Where:

From remote

Impact:

Cross Site Scripting

Solution Status:

Unpatched

CVE Reference(s):

Description


Adrian Pastor and Amir Azam have discovered a vulnerability in Apache, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed via the HTTP method is not properly sanitised before being returned to the user when displaying a "413 Request Entity Too Large" error page. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

The vulnerability is confirmed in version 2.2.4 and reported in versions 2.0.46, 2.0.51, 2.0.55, 2.0.59, and 2.2.3. Other versions may also be affected.

NOTE: Exploiting the vulnerability might be dependent on the Flash player version installed on the target machine.

For more information:
SA21172


Solution:
Add a "ErrorDocument 413" statement to the Apache config file.

Provided and/or discovered by:
Adrian Pastor and Amir Azam, ProCheckUp

Original Advisory:
http://procheckup.com/Vulnerability_PR07-37.php

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: Apache HTTP Method Request Entity Too Large Cross-Site Scripting

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