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Category:   Application (Web Server/CGI)  >   LiteWebServer Vendors:   Gefion Software
LiteWebServer Discloses JSP Source Code to Remote Users
SecurityTracker Alert ID:  1001915
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jul 3 2001
Impact:   Disclosure of user information
Exploit Included:  Yes  
Version(s): 2.2.1 and prior
Description:   A vulnerability has been reported in LiteWebServer that allows a remote user to obtain the source code of JSP files.

A remote user can specify encoded characters in a URL request to cause the LiteWebServer to display the source code of JSP files.

For example, a remote user can use a %2E character instead of '.' or a %70 instead of 'p' in the URL to have the web server return the source code:


Impact:   A remote user can obtain JSP source code from the web server.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Input validation error
Underlying OS:  Java

Message History:   None.

 Source Message Contents

Subject:  [NT] LiteWebServer JSP Source File Discolsure

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site:

  LiteWebServer JSP Source File Discolsure


 <> LiteWebServer is 
a pure Java web server with native support for the Servlet 2.2 API and 
Java Server Pages (JSP) 1.1. A security vulnerability in the product 
allows attackers to access the source code of JSP files.


Vulnerable systems:
LiteWebServer version 2.2.1 and prior

Immune systems:
LiteWebServer version 2.2.2

By using HTML encoded characters instead of the real letters in a request 
URL it is possible to cause the LiteWebServer to display the source code 
of JSP files.

By adding a %2E which is equal to '.', or %70 which equals to 'p' it 
possible to cause the LiteWebServer to display the content of JSP files.

For example:


The information has been provided by  <> Gluck 
ninja and  <> Hans Bergsten.


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