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SQL injection vulnerability in Elxis CMS



Vulnerability ID: HTB22613
Reference: http://www.htbridge.ch/advisory/sql_injection_vulnerability_in_elxis_cms.html
Product: Elxis CMS
Vendor: Elxis Team ( http://www.elxis.org/ ) 
Vulnerable Version: 2009.2 electra rev2631 and probably prior versions
Vendor Notification: 20 September 2010 
Vulnerability Type: SQL Injection
Status: Fixed by Vendor
Risk level: Low 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) 

Vulnerability Details:
The vulnerability exists due to failure in the "administrator/components/com_content/admin.content.php" script to properly sanitize user-supplied input in "id" variable. Attacker can alter queries to the application SQL database, execute arbitrary queries to the database, compromise the application, access or modify sensitive data, or exploit various vulnerabilities in the underlying SQL database.

Attacker can use browser to exploit this vulnerability. The following PoC is available:
http://host/administrator/index2.php?option=com_content&sectionid=0&task=edit&hidemainmenu=1&id=999'+UNION+SELECT+1,user(),3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29+--+c
Solution: Upgrade to the most recent version