[DSECRG-11-040] SAP NetWeaver SPML - XML CSRF user creation Nov 17 2011 04:27PM
Alexandr Polyakov (alexandr polyakov dsec ru)

[DSECRG-11-040] SAP NetWeaver SPML - XML CSRF user creation

Attacker can create a new user in J2EE Engine using CSRF attack on SPML service.

Application: SAP NetWeaver
Versions Affected: SAP NetWeaver
Vendor URL: http://www.SAP.com
Bugs: CSRF
Reported: 14.03.2011
Vendor response: 15.03.2011
Date of Public Advisory: 11.11.2011
CVSS: 7.3
Author: Alexandr Polyakov from DSecRG (research center of ERPScan)

Attacker can create a new user in J2EE Engine using CSRF attack on SPML service
SPML service can be used to make various actions including user management, role management etc.
Attacker can generate HTTP page with XML call to SPML service and send a link to administrator.
Working exploit is available in commercial scanner ERPScan Security Scanner for SAP (http://erpscan.com)


Fix Information
Solution to this issue is given in the SAP Security Note 1616058

About DSecRG
The main mission of DSecRG is to conduct researches of business critical systems such as ERP, CRM, SRM, BI, SCADA, banking software and others. The result of this work is then integrates in ERPScan Security Scanner. Being on the top edge of ERP and SAP security DSecRG research helps to improve a quality of ERPScan consulting services and protects you from the latest threads.
Contact: research [at] dsecrg [dot] com

About ERPScan
ERPScan is an innovative company engaged in the research of ERP security and develops products for ERP system security assessment. Apart from this the company renders consulting services for secure configuration, development and implementation of ERP systems, and conducts comprehensive assessments and penetration testing of custom solutions.
Our flagship products are "ERPScan Security Scanner for SAP" and service "ERPScan Online" which can help customers to perform automated security assessments and compliance checks for SAP solutions.

Contact: info [at] erpscan [dot] com

Polyakov Alexander
Head of DSecRG
phone: +7 812 703 1547
+7 812 430 9130
e-mail: a.polyakov (at) erpscan (dot) com [email concealed]


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