Caldera International, Inc. Security Advisory: Linux – libdb buffer overflow problem

Date: Thu, 1 Nov 2001 08:40:49 -0700
From: Support Info 
Subject: Security Update: [CSSA-2001-037.0] Linux - libdb buffer overflow problem


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                   Caldera International, Inc.  Security Advisory

Subject:                Linux - libdb buffer overflow problem
Advisory number:        CSSA-2001-037.0
Issue date:             2001, October 30
Cross reference:
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1. Problem Description

   Due to a configuration mistake in the libdb1 package included with
   OpenLinux 3.1 some programs were using unsafe version of the snprintf
   and vsnprintf functions. This might allow remote attackers to gain
   access to your system or local attackers to gain root access.


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      
                                 db-2.7.7-12                   
   
   OpenLinux Workstation 3.1     All packages previous to      
                                 db-2.7.7-12                   
   


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

       b65dffa8ceae770641db9f524e99653d  RPMS/db-2.7.7-12.i386.rpm
       cee85e0f7bb70366af0e25054feac4ad  SRPMS/db-2.7.7-12.src.rpm
       

   7.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

         rpm -Fvh db-2.7.7-12.i386.rpm
         
       to provide fixes, please restart sendmail and httpd:

         /etc/rc.d/init.d/httpd restart
         /etc/rc.d/init.d/mta restart


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

       b65dffa8ceae770641db9f524e99653d  RPMS/db-2.7.7-12.i386.rpm
       cee85e0f7bb70366af0e25054feac4ad  SRPMS/db-2.7.7-12.src.rpm
       

   8.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

         rpm -Fvh db-2.7.7-12.i386.rpm
         
       to provide fixes, please restart sendmail and httpd:

         /etc/rc.d/init.d/httpd restart
         /etc/rc.d/init.d/mta restart


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 10822.


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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