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______________________________________________________________________________
                   Caldera International, Inc. Security Advisory

Subject: Linux - Security problems in imp
Advisory number: CSSA-2001-027.0
Issue date: 2001, July 31
Cross reference:
______________________________________________________________________________

1. Problem Description

    There are several security problems with IMP, a PHP based webmail
    application, shipped as part of OpenLinux 3.1 Server. These
    vulnerabilities allowed attackers to execute commands with the
    privileges of the httpd account.

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
                                 imp-2.2.6-1 and
                                 horde-1.2.6-1
   
   OpenLinux Workstation 3.1 not vulnerable
   

3. Solution

   Workaround

     If you do not need imp/horde, remove the packages:

      rpm -e imp horde

   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

       9dfb2e378b4b81d481fd1b1d55a362aa RPMS/horde-1.2.6-1.i386.rpm
       bb45a7379b387c1ac2760aa4cba22eea RPMS/imp-2.2.6-1.i386.rpm
       4f9c59f24c2003a181bc935297045bc5 SRPMS/horde-1.2.6-1.src.rpm
       2fe6c5f4aa9e20245f05d45377967671 SRPMS/imp-2.2.6-1.src.rpm
       

   7.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

         rpm -Fvh horde-1.2.6-1.i386.rpm imp-2.2.6-1.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 10264.

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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