Date: 9 Jun 1999 16:41:11 -0000
From: listmaster@locutus.calderasystems.com
To: announce@lists.calderasystems.com
Subject: Security Announcement

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______________________________________________________________________________
		   Caldera Systems, Inc.  Security Advisory

Subject:		/sbin/rmt with suid allows superuser privileges
Advisory number: 	CSSA-1999:014.0
Issue date: 		1999 June 08
Cross reference: 
______________________________________________________________________________


1. Problem Description

   The rmt(8) program contained in dump-0.4b4 is used to grant
   users remote access to a tape drive. By default, this program
   is installed as setuid root.

   There are several security problems in rmt that allow a local
   user to obtain super user privilege via the rmt program.
		   
2. Vulnerable Versions

   Systems:     OpenLinux 1.3, 2.2
   Packages:    previous to dump-0.4b4-3
      
3. Solutions

   1.	Disable the setuid bit on /sbin/rmt
   	
   2.   Upgrade to the latest dump-0.4b4-3 
   
   	rpm -U dump-0.4b4-3.i386.rpm
   
4. Location of Fixed Packages

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

   ftp://ftp.calderasystems.com/pub/OpenLinux/updates/2.2/current/RPMS/

   The corresponding source code package can be found at:

   ftp://ftp.calderaystems.com/pub/OpenLinux/updates/2.2/current/SRPMS


5. Installing Fixed Packages

   Upgrade the affected packages with the following commands:

   rpm -U dump-0.4b4-3.i386.rpm
   
6. Verification

   c287fb02a35d1fa51c2d901ba17dce33  RPMS/dump-0.4b4-3.i386.rpm
   caf2c6e878f4a463b9cd7662be0fbebe  SRPMS/dump-0.4b4-3.src.rpm

7. References

   This and other Caldera security resources are located at:

   http://www.calderasystems.com/news/security/index.html
  
   This security fix closes Caldera's internal Problem Report 4602
   
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.

______________________________________________________________________________


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