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              AUSCERT External Security Bulletin Redistribution
                                    
        ESB-98.163 -- Sun Microsystems, Inc. Security Bulletin #00177
                                    IMAP
                                    
                               22 October 1998

===========================================================================

Sun Microsystems, Inc. has released the following bulletin concerning  
a patch for their Sun Internet Mail Server (SIMS) product.  This patch
addresses a buffer overflow vulnerability previously identified in the
IMAP server distributed with certain versions of SIMS.

This vulnerability was first described in CERT Advisory CA-98.09 (AUSCERT
ESB-98.135)

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________________________________________________________________________________
 		   Sun Microsystems, Inc. Security Bulletin
 		
Bulletin Number:	#00177
Date: 			October 21, 1998
Cross-Ref:		CERT Advisory CA-98.09.imapd
Title:			IMAP 
________________________________________________________________________________

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.

IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE, 
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 Sun Internet Mail Server(tm)
    versions 3.2 and 2.0 which relate to a vulnerability in the IMAP
    server process. 

    Sun recommends that you install the patches listed in section 4 
    immediately on systems using Sun Internet Mail Server(SIMS) 3.2 and 2.0.

2.  Affected Supported Versions
        
    SIMS versions 3.2, 3.2_x86, 3.1, 3.1_x86, 2.0 and 2.0_x86
    
3.  Understanding the Vulnerability

    Sun Internet Mail Server provides support for IMAP, POP and mailtool
    clients.  The IMAP server available with certain versions of SIMS
    is vulnerable to the buffer overflows referenced in CERT Advisory
    CA-98.09.  
    
4.  List of Patches

    The following patches are available in relation to the above problem.
    	
    SIMS		Patch ID	
    _____		_________     
    3.2			105935-09		
    3.2_x86		105936-09
    2.0			105346-07		
    2.0_x86		105347-07
    
    Note: Sun recommends that sites using SIMS 3.1 or 3.1_x86 upgrade to 
    3.2 or 3.2_x86 and apply the corresponding patches referenced above.

_______________________________________________________________________________
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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                            	subscribe cws your-email-address
			
                        Note that your-email-address should be substituted
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        unsubscribe     Sender is removed from the CWS mailing list.
________________________________________________________________________________

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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