[DSECRG-11-037] SAP BW Doc - Multiple XSS Nov 17 2011 04:24PM
Alexandr Polyakov (alexandr polyakov dsec ru)
[DSECRG-11-037] SAP BW Doc - Multiple XSS

BW DOC metadata application in SAP NetWeaver is vulnerable to XSS attack.

Application: SAP NetWeaver
Versions Affected: SAP NetWeaver
Vendor URL: http://www.SAP.com
Bugs: XSS
Reported: 14.03.2011
Vendor response: 16.03.2011
Date of Public Advisory: 11.11.2011
CVSS: 4.3
CVE-number:
Author: Alexandr Polyakov and Dmitriy Chastuchin from DSecRG (research center of ERPScan)

Description
***********
BW DOC metadata in SAP NetWeaver is vulnerable to XSS attack.

Details
*******
XSS found in page /SAP/BW/DOC/METADATA/
Vulnerable parameter - page
To avoid XSS protection we use base64 encoding and DATA tag

Example:
******

http://[SAPSERVER]/SAP/BW/DOC/METADATA/?page=1111%3Cobject%20data=%22dat
a:text/html;
base64,PHNjcmlwdD5hbGVydCgiSGVsbG8iKTs8L3NjcmlwdD4=%22%3E%3C/object%3E

References
**********
http://erpscan.com/advisories/dsecrg-11-037-sap-bw-doc-multiple-xss/
http://www.sdn.sap.com/irj/sdn/index?rid=/webcontent/uuid/c05604f6-4eb3-
2d10-eea7-ceb666083a6a
https://service.sap.com/sap/support/notes/1572325

Fix Information
*************
Solution to this issue is given in the SAP Security Note 1572325.

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
http://www.dsecrg.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
http://www.erpscan.com

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

www.erpscan.com
www.dsecrg.com

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