[DSECRG-11-010] SAP NetWeaver logon.html - XSS

From: Alexandr Polyakov <alexandr.polyakov@dsec.ru>
To: bugtraq@securityfocus.com,vuln@secunia.com,packet@packetstormsecurity.org
Subject: [DSECRG-11-010] SAP NetWeaver logon.html - XSS

[DSECRG-11-010] SAP NetWeaver logon.html - XSS 

SAP NetWeaver BSP logon page has linked XSS vulnerability. 

Digital Security Research Group [DSecRG] Advisory DSecRG-11-010 (Internal DSecRG-00127)
Application:     SAP NetWeaver 
Versions Affected:       SAP NetWeaver SAP_BASIS 620-730 
Vendor URL:      http://www.sap.com
Bugs:    XSS
Exploits:        YES
Reported:        05.02.2010
Vendor response:         06.02.2010
Date of Public Advisory:        09.03.2011
Author:  Alexey Sintsov
Digital Security Research Group [DSecRG] (research [at] dsecrg [dot] com)

SAP NetWeaver BSP logon page has linked XSS vulnerability.

There were found another one vulnerability like described in note 887168 and note 887164
but this vulnerability is on another parameter.
Vulnerable variable: logonUrl
Vulnerable page: /sap/bc/public/bsp/sap/system_public/logon.htm

Attacker can send link to administrator and get his cookie.

Working exploit will be available in commercial scanner ERPSCAN security scanner for SAP (ERPSCAN.com)


Fix Information
Solution to this issue is given in the 1450270 security note.

Digital Security: 
Is one of the leading IT security companies in CEMEA, providing information security consulting, audit and penetration testing services, ERP and SAP security assessment, certification for ISO/IEC 27001:2005 and PCI DSS and PA DSS standards.

Digital Security Research Group:
International subdivision of Digital Security company focused on research and software development for securing business-critical systems like: enterprise applications (ERP,CRM,SRM), technology systems (SCADA, Smart Grid) and banking software. DSecRG developed new product "ERPSCAN security suite for SAP" and service "ERPSCAN Online" which can help customers to perform automated security assessments and compliance checks for SAP solutions.

Contact: research [at] dsecrg [dot] com

Polyakov Alexandr. PCI QSA,PA-QSA
CTO Digital Security
Head of DSecRG
phone:  +7 812 703 1547
        +7 812 430 9130
e-mail: a.polyakov@dsec.ru  

www.dsecrg.com www.dsecrg.ru
www.erpscan.com www.erpscan.ru
www.pcidssru.com www.pcidss.ru

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