Kvaliitti WebDoc 3.0 CMS SQL Injection vulnerability

2007.12.21
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

Found by: Jaakko "Chrysalid" Hartikainen 1. Info Kvaliitti WebDoc 3.0 CMS is a proprietary Finnish-made content management system developed by Kvaliitti Oy (http://www.kvaliitti.fi). It is driven by MS SQL Server and ASP. 2. Abstract WebDoc 3.0 suffers from a flaw in input validation, which allows attackers to insert malicious SQL queries into an existing one, possibly gaining complete control over an affected system. 3. Vulnerable files & PoC: categories.asp, subcategory.asp, document_id, cat_id This proof of concept example exposes the internal server variable called "@@version": http://www.vulnerable.tld/categories.asp?document_id=37&cat_id=convert(i nt,(select+@@version));-- 4. Misc Vendor notified: yes --


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