Title: SAP Netweaver 6.40-7.0 Persistent Cross-Site-Scripting

Author: Jaime Blasco (at) aitsec.com http://www.aitsec.com

Description: SAP Netweaver have a web interface for accesing filesystem of the portal, users can make "feedbacks" of

files, input passed to the content of these feedbacks is not properly sanitised before being returned to the user.

This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site

Solution: This issue can be solved activating "Secure Editing" in Portal

(System Configuration -> System Configuration -> Knowledge management (in detailed Navigation) -> Utilities -> Editing -> HTML Editing)

Hence this issue can be solved via configuration - for more details see

http://help.sap.com/saphelp_nw70/helpdata/EN/44/4cd511c6233f8ee10000000a
1553f7/frameset.htm

NetWeaver 04 (6.40) SP17: http://help.sap.com/saphelp_nw04/helpdata/en/44/4d3ef6b5ac2152e10000000a
114a6b/frameset.htm

NetWeaver 7.0 SP8: http://help.sap.com/saphelp_nw70/helpdata/EN/44/4cd511c6233f8ee10000000a
1553f7/frameset.htm

As of NetWeaver 7.0 SP15 the secure editor is on by default (SAP note 1110597: https://service.sap.com/sap/support/notes/1110597)

Timeline:

* March 11: Initial contact.

* March 12: Confirmed

* April 5: Vendor response

Original Advisory:

http://www.aitsec.com/vulnerability-SAP-Netweaver-6.40-7.0-Cross-Site-Sc
ripting.php

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