XSS vulnerability found in SAP Crystal Report Server 2008 

Application: SAP Crystal Report Server 2008
Versions Affected: SAP Crystal Report Server 2008
Vendor URL: http://sap.com
Bugs: Linked XSS Vulnerability 
Exploits: YES
Reported: 04.03.2010
Vendor response:  05.03.2010
Date of SAPNOTE Published: 8.10.2010
Date of Public Advisory: 14.01.2011
Authors: Dmitry Chastuhin
Digital Security Research Group [DSecRG] (research [at] dsecrg [dot] com)


Description
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SAP Crystal Report Server 2008 contains a variety of features with which users can manage and share
interactive reports and dashboards, as well as provide access to them via the Internet.

Details
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Multiple XSS vulnerabilities found in InfoView module
1.      Vulnerability discovered in JSP - page actionNav.jsp module InfoView, located at http://sap_server_adr:8080/InfoViewApp/jsp/common/actionNav.faces.
 Vulnerable parameter - "actId".
Any user can cheat a vulnerable link and steal user's or Administrator's cookie.

2.      Vulnerability discovered in JSP - page error.jsp module InfoView, located at http://sap_server_adr:8080/InfoViewApp/jsp/common/error.jsp
 Vulnerable parameter - "backUrl "
Any user can cheat a vulnerable link and steal user's or Administrator's cookie.
3.      Vulnerability discovered in JSP - page logon.jsp module InfoView, located at http://sap_server_adr:8080/InfoViewApp/logon.jsp
 Vulnerable parameter - " logonAction "
Any user can cheat a vulnerable link and steal user's or Administrator's cookie

References
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http://dsecrg.com/pages/vul/show.php?id=301
http://www.sdn.sap.com/irj/sdn/index?rid=/webcontent/uuid/c05604f6-4eb3-2d10-eea7-ceb666083a6a
https://service.sap.com/sap/support/notes/1458310




Fix Information
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Solution to this issue is given in the 1458310 security note.

About
*****

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Digital Security Research Group:

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Contact: research [at] dsecrg [dot] com
http://www.dsecrg.com
http://www.erpscan.com








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CTO Digital Security
Head of DSecRG
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