[DSECRG-08-023] SAP Web Application Server XSS Security Vulnerability

[Digital Security Research Group]

Digital Security Research Group [DSecRG] Advisory #DSECRG-08-023


Application: SAP Web Application Server
Versions Affected: Version 7.0
Vendor URL: http://SAP.com
Bugs: XSS
Exploits: YES
Reported: 25.01.2008
Vendor response: 25.01.2008
Date of Public Advisory: 21.05.2008
Author: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)



Description
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SAP Web Application Server system has Linked XSS security vulnerability



Details
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Linked XSS vulnerability found in URL /sap/bc/gui/sap/its/webgui/ attacker can inject XSS in URL string

also Web Dynpro ABAP and for BSP are vulnerable.



Example:

http://[server]:8000/sap/bc/gui/sap/its/webgui/aaaaaaa"><img/src=javascript:alert('DSECRG_XSS')>

---------------------------------------------------------------------




Fix Information
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The issue has been solved in the ICF system login and as such it is not only relevant for the Web GUI, but also for Web Dynpro

ABAP and for BSP
Customers can download patches following the solution is documented in SAP note 1136770




About
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Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration

testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards.

Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories

and whitepapers posted regularly on our website.


Contact: research [at] dsec [dot] ru
http://www.dsec.ru