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SunOS :Security Bulletin #00169



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________________________________________________________________________________
 		   Sun Microsystems, Inc. Security Bulletin
 		
Bulletin Number:	#00169
Date: 			April 29, 1998
Cross-Ref:		
Title:			ufsrestore
________________________________________________________________________________

The information contained in this Security Bulletin is provided "AS IS." 
Sun makes no warranties of any kind whatsoever with respect to the information 
contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS, 
REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT OR 
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE 
HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW.

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PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL 
OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY 
ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN 
THIS SECURITY BULLETIN, EVEN IF SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF 
THE POSSIBILITY OF SUCH DAMAGES.

If any of the above provisions are held to be in violation of applicable law, 
void, or unenforceable in any jurisdiction, then such provisions are waived 
to the extent necessary for this disclaimer to be otherwise enforceable in 
such jurisdiction.
________________________________________________________________________________

1.  Bulletins Topics

    Sun announces the release of patches for Solaris(tm) 2.5.1 and 2.5
    (SunOS(tm) 5.5.1 and 5.5), which relate to a vulnerability in ufsrestore. 

    Sun recommends that you install the patches listed in section 4 
    immediately on systems running SunOS 5.5.1 and 5.5. 
    
2.  Who is Affected
	
    Vulnerable:  SunOS 5.5.1, 5.5.1_x86, 5.5 and 5.5_x86.
                 
    Not vulnerable: All other supported versions of SunOS.
    
3.  Understanding the Vulnerability

    The ufsrestore utility is used to restore files from backup media
    created with the ufsdump command. A vulnerability has been found 
    in ufsrestore which, if exploited, would permit a user to become
    root.
        
4.  List of Patches

    The following patches are available in relation to the above problem.

    SunOS		Patch ID	
    _____		_________
 
    SunOS 5.5.1		104490-05
    SunOS 5.5.1_x86	104491-04
    SunOS 5.5		103261-06
    SunOS 5.5_x86	103262-06

_______________________________________________________________________________
APPENDICES

A.  Patches listed in this bulletin are available to all Sun customers via 
    World Wide Web at:
    
    	<URL:http://sunsolve.sun.com/sunsolve/pubpatches/patches.html>

B.  Checksums for the patches listed in this bulletin are available via 
    World Wide Web at:

    	<URL:http://sunsolve.sun.com/sunsolve/pubpatches/patches.html>

C.  Sun security bulletins are available via World Wide Web at:

	<URL:http://sunsolve.sun.com/sunsolve/secbulletins>
	
D.  Sun Security Coordination Team's PGP key is available via World Wide Web 
    at:

	<URL:http://sunsolve.sun.com/sunsolve/secbulletins/SunSCkey.txt>
		    	    	    
E.  To report or inquire about a security problem with Sun software, contact 
    one or more of the following:
  
        - Your local Sun answer centers
        - Your representative computer security response team, such as CERT 
        - Sun Security Coordination Team. Send email to:
	 
     		security-alert@sun.com

F.  To receive information or subscribe to our CWS (Customer Warning System) 
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    with a subject line (not body) containing one of the following commands:

        Command         Information Returned/Action Taken
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________________________________________________________________________________

Copyright 1998 Sun Microsystems, Inc. All rights reserved. Sun, 
Sun Microsystems, Solaris and SunOS are trademarks or registered trademarks 
of Sun Microsystems, Inc. in the United States and other countries. This 
Security Bulletin may be reproduced and distributed, provided that this 
Security Bulletin is not modified in any way and is attributed to 
Sun Microsystems, Inc. and provided that such reproduction and distribution 
is performed for non-commercial purposes.

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