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 Phorum Input Validation Flaw in 'register.php' Permits SQL Injection
Categorie: Vulnerability
Posted: 2004-01-10 by ReCall
Views: 380
Source: Click here
 
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 Details
Description: Some input validation vulnerabilities were reportedin Phorum. A remote user can inject SQL commands and can also conduct cross-site scripting attacks.

It is reported that the 'register.php' script does not properly validate user-supplied input in the 'hide_email' field [CVE: CAN-2004-0035]. A remote user may be able to execute SQL commands on the underlying database.

It is also reported that a flaw in 'common.php' in the 'phorum_check_xss()' function permits cross-site scripting attacks. A similar flaw also exists in 'profile.php' in the filtering of the 'EditError' variable and in 'login.php' in the filtering of the 'Error' variable.

A remote user can create a specially crafted URL (or POST request) that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser [CVE: CAN-2004-0034]. The code will originate from the site running the Phorum software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Impact: A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Phorum software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A remote user may be able to execute SQL commands on the underlying database.

Solution: The vendor has released a fixed version (3.4.6), available at:


http://phorum.org/downloads/phorum-3.4.6.tar.gz
 
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