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SunOS : Sun Security Bulletin #00194



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Subject:      Sun Security Bulletin #00194
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- -----BEGIN PGP SIGNED MESSAGE-----

________________________________________________________________________________
 		   Sun Microsystems, Inc. Security Bulletin
 		
Bulletin Number:	#00194
Date: 			March 29, 2000
Cross-Ref:		CERT Advisory CA-99-14
Title:			BIND
________________________________________________________________________________

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.  Bulletin Topics

    Sun announces the release of patches for Solaris(tm) 7 which relate to
    four vulnerabilities in BIND reported in CERT Advisory CA-99-14.

    Sun recommends that you install the patches listed in section 4
    immediately on systems running Solaris 7 with Sun's implementation
    of BIND.

2.  Who is Affected
	
    Vulnerable:     Solaris 7 running Sun's implementation of BIND

    Not vulnerable: All other supported versions of Solaris.

3.  Understanding the Vulnerabilities

    The Berkeley Internet Name Domain (BIND) is an implementation of the
    Domain Name System (DNS) protocols.

    CERT Advisory CA-99-14 describes six vulnerabilities in certain versions
    of BIND. Solaris 7 is vulnerable to the following four vulnerabilities
    reported in the CERT advisory.

      Vulnerability #3: the "so_linger bug"

        Remote attackers may degrade the performance of named.

      Vulnerability #4: the "fdmax bug"

        Remote attackers may cause named to crash.

      Vulnerability #5: the "maxdname bug"

        Remote attackers may cause named to crash.

      Vulnerability #6: the "naptr bug"

        Remote attackers may cause named to crash.

    The CERT advisory CA-99-14 is available at:

    	ftp://info.cert.org/pub/cert_advisories/CA-99-14-bind.txt
    	
    No other supported versions of Solaris (including Solaris 8) are
    affected by any of the six vulnerabilities reported in the CERT
    advisory.

    	
4.  List of Patches

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

    Solaris version	Patch ID	
    _______________	_________
    Solaris 7 (SPARC)	107018-02
    			106938-03	
    Solaris 7 (Intel)	107019-02
         		106939-03
_______________________________________________________________________________
APPENDICES

A.  Patches listed in this bulletin are available to all Sun customers at:

      http://sunsolve.sun.com/securitypatch

B.  Checksums for the patches listed in this bulletin are available at:

      ftp://sunsolve.sun.com/pub/patches/CHECKSUMS

C.  Sun security bulletins are available at:

      http://sunsolve.sun.com/security
	
D.  Sun Security Coordination Team's PGP key is available at:

      http://sunsolve.sun.com/pgpkey.txt
		    	    	
E.  To report or inquire about a security problem with Sun software, contact
    one or more of the following:

        - Your local Sun Solution Center
        - 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)
    mailing list, send email to:

    		security-alert@sun.com

    with a subject line (not body) containing one of the following commands:

        Command         Information Returned/Action Taken
        _______         _________________________________

        help            An explanation of how to get information

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        query [topic]   The email is treated as an inquiry and is forwarded to
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        report [topic]  The email is treated as a security report and is
                        forwarded to the Security Coordination Team. Please
                        encrypt sensitive mail using Sun Security Coordination
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        send topic      A short status summary or bulletin. For example, to
                        retrieve a Security Bulletin #00138, supply the
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                                send #138

        subscribe       Sender is added to our mailing list.  To subscribe,
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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 2000 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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