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