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______________________________________________________________________________
                   Caldera International, Inc. Security Advisory

Subject: Linux - Tomcat security problems
Advisory number: CSSA-2001-028.0
Issue date: 2001, August 02
Cross reference:
______________________________________________________________________________

1. Problem Description

   There are several security problems with Jakarta-Tomcat, a Java
   Servlet Engine, shipped as part of OpenLinux 3.1 Server. Several
   vulnerabilities allowed attackers to view files in the system.
   A second problem allowed so-called cross-site scripting, where
   a hostile Web server can feed JavaScript or other code to a web
   browser, making it appear to originate from the server running
   tomcat.

2. Vulnerable Versions

   System Package
   -----------------------------------------------------------
   OpenLinux 2.3 not vulnerable
   
   OpenLinux eServer 2.3.1 not vulnerable
   and OpenLinux eBuilder
   
   OpenLinux eDesktop 2.4 not vulnerable
   
   OpenLinux Server 3.1 All packages previous to
                                 jakarta-tomcat-3.2.3-3
   
   OpenLinux Workstation 3.1 not vulnerable
   

3. Solution

   Workaround

     none

   The proper solution is to upgrade to the latest packages.

4. OpenLinux 2.3

    not vulnerable

5. OpenLinux eServer 2.3.1 and OpenLinux eBuilder for ECential 3.0

    not vulnerable

6. OpenLinux eDesktop 2.4

    not vulnerable

7. OpenLinux 3.1 Server

    7.1 Location of Fixed Packages

       The upgrade packages can be found on Caldera's FTP site at:

       ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/RPMS

       The corresponding source code package can be found at:

       ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/SRPMS

   7.2 Verification

       b2b4fa902845eb88b81b7778d9625e2f RPMS/jakarta-tomcat-3.2.3-3.i386.rpm
       275881e7034ff900d67631b27f620025 SRPMS/jakarta-tomcat-3.2.3-3.src.rpm
       

   7.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

         rpm -Fvh jakarta-tomcat-3.2.3-3.i386.rpm
         

8. OpenLinux 3.1 Workstation

    not vulnerable

9. References

   This and other Caldera security resources are located at:

   http://www.caldera.com/support/security/index.html

   This security fix closes Caldera's internal Problem Report 9690,
   9691, 10166, 10247.

10. Disclaimer

   Caldera International, Inc. is not responsible for the misuse of
   any of the information we provide on this website and/or through our
   security advisories. Our advisories are a service to our customers
   intended to promote secure installation and use of Caldera OpenLinux.
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