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________________________________________________________________________________
                    Sun Microsystems, Inc. Security Bulletin

Bulletin Number:          #00211
Date:                     October 23, 2001
Cross-Ref:                CERT Vulnerability Note VU#970472
Title:                    xntpd
________________________________________________________________________________

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________________________________________________________________________________

1.  Bulletins Topics

    Sun announces the release of patches for Solaris(tm) 8, 7, and
    2.6 (SunOS(tm) 5.8, 5.7, and 5.6) which relate to a vulnerability
    in xntpd(1M), the Network Time Protocol daemon.

    Sun recommends that you install the patches listed in section 4
    on systems running SunOS 5.8, 5.7, and 5.6 which use xntpd.

2.  Who is Affected

    Vulnerable:                SunOS 5.8, 5.8_x86, 5.7, 5.7_x86, 5.6,
                               5.6_x86

    The xntpd(1M) daemon was not shipped by Sun for earlier releases
    than Solaris 2.6.

3.  Understanding the Vulnerability

    The xntpd is a daemon which sets and maintains a UNIX system
    time-of-day in agreement with Internet standard time servers.
    xntpd is a complete implementation of the Network Time Protocol
    (NTP) version 3 standard, as defined by RFC 1305.

    CERT Vulnerability Note VU#970472 is available from:

    http://www.kb.cert.org/vuls/id/970472

4.  List of Patches

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

    OS Version               Patch ID
    __________               _________
    SunOS 5.8                109667-04
    SunOS 5.8_x86            109668-04
    SunOS 5.7                109409-04
    SunOS 5.7_x86            109410-03
    SunOS 5.6                107298-03
    SunOS 5.6_x86            107299-03
_______________________________________________________________________________

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
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        - Your local Sun answer centers
        - Your representative computer security response team, such as CERT
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________________________________________________________________________________

Copyright 2001 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
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