full-disclosure - Pligg 9.9.0 editlink.php SQL Injection Vulnerability

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Message-ID: <47FB9CF0.1000208@keamera.org>
Date: Tue, 08 Apr 2008 18:27:28 +0200
From: Guido Landi <lists@...mera.org>
To: full-disclosure@...ts.grok.org.uk
Subject: Pligg 9.9.0 editlink.php SQL Injection
	Vulnerability

Hello,

the Pligg (http://www.pligg.com/) content management system is prone to 
an SQL-injection vulnerability because it fails to sufficiently sanitize 
user-supplied data before using it in an SQL query:

editlink.php?id=1+AND+((SELECT+user_pass+FROM+pligg_users+WHERE+user_login=0x676f64)+LIKE+0x25)+UNION+SELECT+10,2

To exploit this you need the id of a news you submitted(10 in the 
example) and an id of a news submitted by others(1 in the example).

When the LIKE statement matches you get a "Not your link" error.

Guido Landi

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