To: bugtraq@securityfocus.com announce@lists.caldera.com security-alerts@linuxsecurity.com

______________________________________________________________________________
		   Caldera International, Inc.  Security Advisory

Subject:		Linux: mod_ssl Buffer Overflow Condition
Advisory number: 	CSSA-2002-011.0
Issue date: 		2002, March 18
Cross reference:
______________________________________________________________________________


1. Problem Description

   modssl uses underlying OpenSSL routines in a manner which could cause
   a buffer overflow.


2. Vulnerable Supported Versions

   System                       Package
   -----------------------------------------------------------
   OpenLinux Server 3.1          All packages previous to
                                 mod_ssl-2.8.5_1.3.22-2   

   OpenLinux Workstation 3.1     All packages previous to
                                 mod_ssl-2.8.5_1.3.22-2

   OpenLinux Server 3.1.1        All packages previous to      
                                 mod_ssl-2.8.5_1.3.22-2        
   
   OpenLinux Workstation         All packages previous to      
   3.1.1                         mod_ssl-2.8.5_1.3.22-2        
   


3. Solution

   Workaround

     none

   The proper solution is to upgrade to the latest packages.


4. OpenLinux 3.1 Server

    4.1 Location of Fixed Packages

         The 3.1 version of this package is not yet available. An updated
         advisory will be published when the package is released.
 

5. OpenLinux 3.1 Workstation

    5.1 Location of Fixed Packages

         The 3.1 version of this package is not yet available. An updated
         advisory will be published when the package is released.
 

6. OpenLinux 3.1.1 Server

    6.1 Location of Fixed Packages

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

       ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/RPMS

The corresponding source code package can be found at:

       ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS

6.2 Verification

       64223d2995fd5501b440d14d9af35359  RPMS/mod_ssl-2.8.5_1.3.22-2.i386.rpm
       f45c83a03d7fa38825645d551d5a1489  RPMS/mod_ssl-sxnet-2.8.5_1.3.22-2.i386.rpm
       57ad82f8f53b9745929002b06d8e26da  SRPMS/mod_ssl-2.8.5_1.3.22-2.src.rpm
       

   6.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

         rpm -Fvh mod_ssl-2.8.5_1.3.22-2.i386.rpm \
              mod_ssl-sxnet-2.8.5_1.3.22-2.i386.rpm
         

7. OpenLinux 3.1.1 Workstation

    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/3.1.1/Workstation/current/RPMS

The corresponding source code package can be found at:

       ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/SRPMS

7.2 Verification

       64223d2995fd5501b440d14d9af35359  RPMS/mod_ssl-2.8.5_1.3.22-2.i386.rpm
       f45c83a03d7fa38825645d551d5a1489  RPMS/mod_ssl-sxnet-2.8.5_1.3.22-2.i386.rpm
       57ad82f8f53b9745929002b06d8e26da  SRPMS/mod_ssl-2.8.5_1.3.22-2.src.rpm
       

   7.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

         rpm -Fvh mod_ssl-2.8.5_1.3.22-2.i386.rpm \
              mod_ssl-sxnet-2.8.5_1.3.22-2.i386.rpm
         


8. References

   Specific references for this advisory:

	none


   Caldera OpenLinux security resources:

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

Caldera UNIX security resources:

	http://stage.caldera.com/support/security/



This security fix closes Caldera incidents sr861039, erg711978,
   fz520252.


9. 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 International products.


10. Acknowledgements

   Ed Moyle <emoyle@scsnet.csc.com> discovered and researched this
   vulnerability.