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______________________________________________________________________________
                   Caldera International, Inc. Security Advisory

Subject: Linux - docview local httpd exploit
Advisory number: CSSA-2001-026.0
Issue date: 2001, July 17
Cross reference:
______________________________________________________________________________

1. Problem Description

   Docview is a set of CGI scripts providing documentation over http. A
   argument validation problem in one of the CGI scripts made it possible
   for a local attacker to gain access to 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
                                 docview-1.0-15
   
   OpenLinux Workstation 3.1 All packages previous to
                                 docview-1.0-15
   

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

       12edf4ca1adbda9d9c94ad57aab52b44 RPMS/docview-1.0-15.i386.rpm
       f7c3ec4d5bf75ab7517f1b8609500d96 SRPMS/docview-1.0-15.src.rpm
       

   7.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

         /etc/rc.d/init.d/docview stop
         rpm -Fvh docview-1.0-15.i386.rpm
         /etc/rc.d/init.d/docview start

8. OpenLinux 3.1 Workstation

    8.1 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/Workstation/current/RPMS

       The corresponding source code package can be found at:

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

   8.2 Verification

       12edf4ca1adbda9d9c94ad57aab52b44 RPMS/docview-1.0-15.i386.rpm
       f7c3ec4d5bf75ab7517f1b8609500d96 SRPMS/docview-1.0-15.src.rpm
       

   8.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

         /etc/rc.d/init.d/docview stop
         rpm -Fvh docview-1.0-15.i386.rpm
         /etc/rc.d/init.d/docview start

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 10194.

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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