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SAP Cfolders Multiple Stored XSS Vulnerabilies
Digital Security Research Group [DSecRG] Advisory #DSECRG-09-014
Original advisory: http://dsecrg.com/pages/vul/show.php?id=114
Application: SAP Cfolders (included in: SAP SRM, SAP ECC, SAP Knowledge Management and SAP NetWeaver cRooms)
Vendor URL: http://SAP.com
Bugs: Multiple Stored XSS
Vendor response: 05.12.2008
Vulnerability patched: 15.12.2008
Date of Public Advisory: 21.04.2009
Reference: SAP note 1284360
Author: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)
cFolders (Collaboration Folders) is the SAP web-based application for collaborative sharing of information.
cFolders is part of a suite of applications powered by SAP NetWeaver that integrate project management,
knowledge management and resource management in collaborative inter-enterprise and intra-enterprise
cFolders is integrated to SAP ECC, SAP Product Lifecycle
Management (PLM), SAP Supplier Relationship Management (SRM), SAP Knowledge Management and SAP
NetWeaver cRooms (collaboration rooms). Virtual teams can access, view online, subscribe for changes, and
redline documents and product information. Partners and suppliers can interact with cFolders in predefined
collaborative or competitive scenarios.
Multiple Stored XSS vulnerabilities found in SAP Cfolders engine. User which is a business partner of
He can do this using 2 Stored XSS vulnerabilities.
SAP Server dont associate session identificators with users IP adress or with any other additional data.
IT autentificate users Only by cookies. So any user which can steal administrators cookie can use them to authentificate with administrator rights.
example LINK value:
Then when administrator will browse for user folders script will execute.
2. Second XSS vulnerability found in document uploading area.
example filename value:
To do this user must change file name in http request when sending a request for file uploading.
So using this vulnerability user can steal cookie like he do in first example.
The issue has been solved. See SAP note 1284360.
SAP note 1284360
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