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Category:   Application (Generic)  >   libdb1 Vendors:   Caldera/SCO
Caldera libdb1 Database Library Buffer Overflow May Yield Access to Remote Users and May Let Local Users Gain Root Access
SecurityTracker Alert ID:  1002678
SecurityTracker URL:  http://securitytracker.com/id/1002678
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Nov 1 2001
Impact:   Execution of arbitrary code via local system, Execution of arbitrary code via network, Root access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): All packages previous to db-2.7.7-12
Description:   Caldera reported a vulnerability in the libdb1 package included in OpenLinux 3.1. Remote users may be able to gain access to the server and local users may be able to gain root level access on the system.

It is reported that, due to a configuration error in the libdb1 package included with OpenLinux 3.1, some components of the library user unsafe versions of the snprintf and vsnprintf functions that apparently contain buffer overflows. As a result, remote users may gain access to the system and local users may gain root access.

Impact:   Remote users may gain access to the system and local users may gain root access.
Solution:   The vendor has released fixed packages.

For OpenLinux 3.1 Server:

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

The verification checksums are:

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

To upgrade the affected packages, use 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

For OpenLinux 3.1 Workstation:

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

The verification checksums are:

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

To upgrade the affected packages, use 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

Vendor URL:  www.caldera.com/support/security/index.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Caldera/SCO)
Underlying OS Comments:  OpenLinux Server 3.1, OpenLinux Workstation 3.1

Message History:   None.


 Source Message Contents

Subject:  Security Update: [CSSA-2001-037.0] Linux - libdb buffer overflow problem


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________
		   Caldera International, Inc.  Security Advisory

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


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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Version: GnuPG v1.0.5 (GNU/Linux)
Comment: For info see http://www.gnupg.org

iD8DBQE73pnm18sy83A/qfwRAt27AKCDx3mu2Kzs0gw8mgkrBeqlf3Uh+ACdFL0v
nGThVCOJjCguW4O4lSUkWYU=
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