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Asbru Web Content Management - SQL Injection and XSS

Release Date:
02-Apr-2009

Software:
Asbru Software - Asbru Web Content Management
http://www.asbrusoft.com/
"Ready to use, full-featured, database-driven web content management system
(CMS) with integrated community, databases, e-commerce and statistics modules
for creating, publishing and managing rich and user-friendly Internet, Extranet
and Intranet websites."

Versions tested:
6.5 and 6.6.9 have been confirmed as vulnerable in the ASP release.
Other versions are untested. The vendor reports JSP, PHP, ASPX immune.

Vulnerability discovered:
SQL Injection & XSS

Vulnerability impact:
High - SQL Injection in backend database. Impact depends on the
security and configuration of the database. It may be possible
to execute code using functons such as xp_cmdshell in poorly
configured hosts. Other attacks possible include obtaining the
CMS admin username and password from the database and
subsequently uploading code or modifying the page content.

Vulnerability information:
The 'id' GET parameter of 'page.asp', 'stylesheet.asp' and 'file.asp' is
vulnerable to numeric based blind SQL injection.

Example:
http://[victim]/page.asp?id=1 <-- main page
http://[victim]/page.asp?id=1 AND 1=2 <-- returns blank (false)
http://[victim]/page.asp?id=1 AND 1=1 <-- main page (true)

XSS in the 'url' parameter of 'login.asp':
Example:

http://[victim]/webadmin/login.asp?url="><script>alert(document.cookie)</script>


Credit:
Patrick Webster
​
Disclosure timeline:
28-Oct-2008 - Discovered during audit.
27-Nov-2008 - Notified vendor.
28-Nov-2008 - Vendor releases patch.
02-Apr-2009 - Disclosure.
NSW Government ICT Services (SCM0020) approved supplier
OSI Security is an approved supplier to the Victorian Government
OSI Security is an approved supplier to the Queensland Government
OSI Security is an approved supplier to the New Zealand Government
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