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Highly critical

W-Agora Multiple Vulnerabilities

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Release Date:  2007-03-21    Last Update:  2008-01-04    Views:  9,547

Secunia Advisory SA24605

Where:

From remote

Impact:

Cross Site Scripting, Manipulation of data, Exposure of system information, System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Some vulnerabilities and a weakness have been discovered in W-Agora, which can be exploited by malicious people to conduct cross-site scripting and SQL injection attacks, compromise a vulnerable system, or disclose sensitive information.

1) The browse_avatar.php script fails to validate the extension of an uploaded file. This can be exploited to upload files with the ".php" extension and execute arbitrary PHP code on the server.

Successful exploitation requires passing an allowed MIME media type in the HTTP headers.

2) Input passed to the "search_forum" parameter in search.php and to the "cat" parameter in index.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

3) Input passed to the "showuser" parameter in profile.php is not properly sanitised before being returned to a user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

4) The weakness is caused due to an unspecified error, when passing the "bn[]=1" query string to index.php. This can be exploited to disclose the full path to the application.

The vulnerabilities are confirmed in version 4.2.1. Other versions may also be affected.


Solution:
Edit the source code to ensure that input is properly sanitised.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1, 3) laurent gaffié,
2) laurent gaffié, R00T[ATI]
4) Jesper Jurcenoks

Original Advisory:
2) http://milw0rm.com/exploits/4817

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: W-Agora Multiple Vulnerabilities

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