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bugtraq id 1500 class Access Validation Error cve GENERIC-MAP-NOMATCH remote Yes local Yes published July 24, 2000 updated July 24, 2000 vulnerable IBM Websphere Application Server 3.0.21 - Sun Solaris 8.0 - Microsoft Windows NT 4.0 - Linux kernel 2.3.x - IBM AIX 4.3 IBM Websphere Application Server 3.0 - Sun Solaris 8.0 - Novell Netware 5.0 - Microsoft Windows NT 4.0 - Linux kernel 2.3.x - IBM AIX 4.3 IBM Websphere Application Server 2.0 - Sun Solaris 8.0 - Novell Netware 5.0 - Microsoft Windows NT 4.0 - Linux kernel 2.3.x - IBM AIX 4.3
Certain versions of the IBM WebSphere application server ship with a vulnerability which allows malicious users to view the source of any document which resides in the web document root directory.
This is possible via a flaw which allows a default servlet (different servlets are used to parse different types of content, JHTML, HTMl, JSP, etc.) This default servlet will display the document/page without parsing/compiling it hence allowing the code to be viewed by the end user.
The Foundstone, Inc. advisory which covered this problem detailed the following method of verifying the vulnerability - full text of this advisory is available in the 'Credit' section of this entry:
"It is easy to verify this vulnerability for a given system. Prefixing the path to web pages with "/servlet/file/" in the URL causes the file to be displayed without being parsed or compiled. For example if the URL for a file "login.jsp" is:
http://site.running.websphere/login.jsp
then accessing
http://site.running.websphere/servlet/file/login.jsp
would cause the unparsed contents of the file to show up in the web browser."
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