LANSA aXes Web Terminal Cross Site Scripting

`LANSA aXes Web Terminal (TN5250) Cross-Site Scripting Vulnerability  
http://www.osisecurity.com.au/advisories/lansa-axes-web-terminal-tn5250-cross-site-scripting  
  
Release Date:  
30-Apr-2011  
  
Software:  
LANSA - aXes  
http://www.lansa.com  
http://www.axeslive.com  
  
"Transform your 5250 applications into GUI browser-based applications  
automatically – without changing any lines of your source code. Work with  
IBM i, System i, iSeries and AS/400 5250 applications securely and efficiently  
from browser-based devices running across the Internet, inside your corporate  
Intranet or on a mobile network."  
  
Versions tested:  
Version V1R3M5 / VRM130.000 (135001) has been confirmed as  
vulnerable. Other versions untested.  
  
Vulnerability discovered:  
Cross-site Scripting  
  
Vulnerability impact:  
Low - Remote content may contain JavaScript which is client executed.  
May be used to steal authentication information.  
  
Vulnerability information:  
The remote page may contain JavaScript for XSS purposes, e.g. cookies.  
  
Example:  
  
https://[target]/axests/terminal?cssref=/ts/skins/axes_default.css?axbuild=135001&login="><script>alert("XSS");</script>  
  
Recommendation:  
  
Vendor did not respond.  
  
Workaround:  
  
Disable JavaScript, use a WAF / IDS etc.  
  
Credit:  
This vulnerability was discovered by Patrick Webster.  
  
Disclosure timeline:  
18-Sep-2010 - Discovered during audit.  
23-Sep-2010 - Notified vendor. Received automated support ticket.  
30-Apr-2011 - Disclosure.  
  
About OSI Security:  
  
OSI Security is an independent network and computer security auditing  
and consulting company based in Sydney, Australia. We provide internal  
and external penetration testing, vulnerability auditing and wireless  
site audits, vendor product assessments, secure network design,  
forensics and risk mitigation services.  
  
We can be found at http://www.osisecurity.com.au/  
`