Re: strcpy versus strncpy

[aleph1 () DFW NET (Aleph One)]

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From: secure () sunsc Eng Sun COM (Sun Security Coordination Team)
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To: CWS () sunsc Eng Sun COM
Subject: Sun Security Bulletin #00163
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-----BEGIN PGP SIGNED MESSAGE-----

________________________________________________________________________________
                   Sun Microsystems, Inc. Security Bulletin

Bulletin Number:        #00163
Date:                   March 4, 1998
Cross-Ref:              Secure Networks Inc.
                        Vacation Vulnerability Security Bulletin
Title:                  vacation
________________________________________________________________________________

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 Solaris(tm) 2.6, 2.5.1, 2.5,
    2.4, 2.3 (SunOS(tm) 5.6, 5.5.1, 5.5, 5.4, 5.3), SunOS 4.1.4, and 4.1.3_U1
    which relate to a vulnerability in the vacation program.

    Sun recommends that you install the patches listed in section 4
    immediately on systems running SunOS 5.6, 5.5.1, 5.5, 5.4, 5.3,
    4.1.4, and 4.1.3_U1.

2.  Who is Affected

    Vulnerable:  SunOS versions 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86,
                 5.4, 5.4_x86, 5.3, 4.1.4, and 4.1.3_U1

    Not vulnerable: All other supported versions of SunOS.

3.  Understanding the Vulnerability

    The vacation program automatically replies to incoming email on behalf
    of the recipient and notifies senders that the recipient is not
    currently reading the email. A vulnerability has been discovered which,
    if exploited, may allow attackers access to the account of the user
    running the vacation program.

4.  List of Patches

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

    OS version          Patch ID
    __________          ________
    SunOS 5.6           105518-01
    SunOS 5.6_x86       105519-01
    SunOS 5.5.1         105520-01
    SunOS 5.5.1_x86     105521-01
    SunOS 5.5           105533-01
    SunOS 5.5_x86       105534-01
    SunOS 5.4           102066-21
    SunOS 5.4_x86       102064-19
    SunOS 5.3           101782-02
    SunOS 4.1.4         105466-01*
    SunOS 4.1.3_U1      105465-01*

    * Patches are available only for Sun's implementation of V8 sendmail.
      Sun recommends that customers using Sun's V5 sendmail upgrade to
      Sun's V8 sendmail.

_______________________________________________________________________________
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)
    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

        key             Sun Security Coordination Team's PGP key

        list            A list of current security topics

        query [topic]   The email is treated as an inquiry and is forwarded to
                        the Security Coordination Team

        report [topic]  The email is treated as a security report and is
                        forwarded to the Security Coordinaton Team. Please
                        encrypt sensitive mail using Sun Security Coordination
                        Team's PGP key

        send topic      A short status summary or bulletin. For example, to
                        retrieve a Security Bulletin #00138, supply the
                        following in the subject line (not body):

                                send #138

        subscribe       Sender is added to our mailing list.  To subscribe,
                        supply the following in the subject line (not body):

                                subscribe cws your-email-address

                        Note that your-email-address should be substituted
                        by your email address.

        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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