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SAP Internet Transaction Server XSS vulnerability



Vulnerability class : Cross-Site Scripting
Discovery date : 13 September 2006
Remote : Yes
Credit : ILION Research Labs 
Vulnerable : SAP ITS
Vulnerable version: Versions 6.1 and 6.2 have been found to be vulnerable. 
Other versions might be too.


A XSS (Cross-Site-Scripting) vulnerability has been uncovered in SAP Internet 
Transaction Server. 
This allows an attacker to submit a crafted link to users of the
vulnerable Web application in order to abuse their trust and steal their
authentication credentials or hijack their sessions when the targeted web site 
contains a login page.

When SSL is used while connecting to the login page, trust abuse can be 
complete since the SSL certificate can appear as vouching for the 
trustworthiness of the website while the page actually displayed is hosted on a 
malicious third-party server (this can be done by using the <iframe> tag of IE 
for example).


Proof-of-concept exploits:

http://WWW:VULNERABLE_SERVER.COM/scripts/wgate/!?~urlmime=%22%3E%3Cscript%3Ealert(%22XSS%22)%3C/script%3E%3Cimg%20src=%22

http://WWW:VULNERABLE_SERVER.COM/scripts/wgate/!?~command=%22%3E%3Cscript%3Ealert(%22XSS%22)%3C/script%3E%3Cimg%20src=%22