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Date:         Mon, 15 Jan 2001 17:08:22 -0700
From: Caldera Support Info <sup-info@LOCUTUS4.CALDERASYSTEMS.COM>
Subject:      Caldera Systems Security Advisory
To: BUGTRAQ@SECURITYFOCUS.COM

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______________________________________________________________________________
		   Caldera Systems, Inc.  Security Advisory

Subject:		mgetty /tmp problems
Advisory number: 	CSSA-2001-002.0
Issue date: 		2001 January, 12
Cross reference:
______________________________________________________________________________


1. Problem Description

   There is a /tmp/ file problem in the fax reception code of mgetty
   which could allow determined attackers to overwrite system files.

2. Vulnerable Versions

   System                       Package
   -----------------------------------------------------------
   OpenLinux Desktop 2.3        All packages previous to
   				mgetty-1.1.22_Aug17-9

   OpenLinux eServer 2.3.1      All packages previous to
   and OpenLinux eBuilder       mgetty-1.1.22_Aug17-9

   OpenLinux eDesktop 2.4	All packages previous to
                                mgetty-1.1.22_Aug17-9

3. Solution

   Workaround:

     none

   The proper solution is to upgrade to the fixed packages

4. OpenLinux Desktop 2.3

   4.1 Location of Fixed Packages

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

       ftp://ftp.calderasystems.com/pub/updates/OpenLinux/2.3/current/RPMS/

       The corresponding source code package can be found at:

       ftp://ftp.calderasystems.com/pub/updates/OpenLinux/2.3/current/SRPMS

   4.2 Verification

   ab0c2a2536d93e78da9e3dbad00358b4  RPMS/mgetty-1.1.22_Aug17-9.i386.rpm
   eb3a13c3898303078d18f6d6cf5b8ad6  SRPMS/mgetty-1.1.22_Aug17-9.src.rpm

   4.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

	  rpm -Fhv mgetty-1.1.22_Aug17-9.i386.rpm

5. OpenLinux eServer 2.3.1 and OpenLinux eBuilder for ECential 3.0

   5.1 Location of Fixed Packages

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

       ftp://ftp.calderasystems.com/pub/updates/eServer/2.3/current/RPMS/

       The corresponding source code package can be found at:

       ftp://ftp.calderasystems.com/pub/updates/eServer/2.3/current/SRPMS

   5.2 Verification

   e590735d575c46ab2035ff16dedafaa9  RPMS/mgetty-1.1.22_Aug17-9.i386.rpm
   eb3a13c3898303078d18f6d6cf5b8ad6  SRPMS/mgetty-1.1.22_Aug17-9.src.rpm

   5.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

	  rpm -Fhv mgetty-1.1.22_Aug17-9.i386.rpm

6. OpenLinux eDesktop 2.4

   6.1 Location of Fixed Packages

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

       ftp://ftp.calderasystems.com/pub/updates/eDesktop/2.4/current/RPMS/

       The corresponding source code package can be found at:

       ftp://ftp.calderasystems.com/pub/updates/eDesktop/2.4/current/SRPMS

   6.2 Verification

   8f229df2ee1cf6a95c632ed24750aab9  RPMS/mgetty-1.1.22_Aug17-9.i386.rpm
   eb3a13c3898303078d18f6d6cf5b8ad6  SRPMS/mgetty-1.1.22_Aug17-9.src.rpm

   6.3 Installing Fixed Packages

       Upgrade the affected packages with the following commands:

	  rpm -Fhv mgetty-1.1.22_Aug17-9.i386.rpm

7. References

   This and other Caldera security resources are located at:

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

   This security fix closes Caldera's internal Problem Report 8696.

8. Disclaimer

   Caldera Systems, 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.

9. Acknowledgements

   Caldera Systems, Inc. wishes to thank the Team at Immunix, Greg KH
   at Wirex and Gert Doering for their cooperation.

______________________________________________________________________________
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