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AUSCERT External Security Bulletin Redistribution
ESB-1999.073 -- Sun Security Advisory
Version 8.8.8 Sendmail for SunOS(tm) 5.6 and 5.5.1
08 June 1999
Sun Microsystems, Inc. has released the following advisory concerning
patches for Solaris(tm) 2.6 and 2.5.1 (SunOS 5.6 and 5.5.1) containing
Sun's implementation of sendmail to take advantage various security
improvements made in version 8.8.8 sendmail relating to email spam and
bombs, and email relaying.
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Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00187
Date: June 7, 1999
Title: Version 8.8.8 Sendmail for SunOS(tm) 5.6 and 5.5.1
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
1. Bulletins Topics
Sun announces the release of patches for Solaris(tm) 2.6 and 2.5.1
(SunOS 5.6 and 5.5.1) containing Sun's implementation of
version 8.8.8 sendmail.
Sun recommends that customers running SunOS 5.6 and 5.5.1 install the
patches listed in section 4 to take advantage of the security
enhancements found in version 8.8.8 sendmail.
2. Understanding What is Available
sendmail is a mail transfer agent, Copyright (C) Eric Allman and the
University of California, which is freely available. Their base version
is commonly known as "Berkeley sendmail", as opposed to various vendors'
versions of sendmail (including Sun's). SunOS 5.6 and 5.5.1 originally
included version 8.6.9 of Berkeley sendmail, with Sun enhancements
Various security related improvements were made in version 8.8.8 of
Berkeley sendmail, including improvements relating to email spam and
bombs, and email relaying. Sun's implementation of version 8.8.8 sendmail
includes enhancements to address subsequently identified security
vulnerabilities and support for V1/Sun configuration files, used in
Sun's version of 8.6.9 sendmail.
3. Support for Sun's sendmail
With this release of version 8.8.8 sendmail, Sun will stop support
for version 8.6.9 sendmail for SunOS 5.6 and 5.5.1.
4. List of Patches
Sun's implementation of version 8.8.8 sendmail is provided for SunOS 5.6
and 5.5.1 via these patches:
OS Version Patch ID
SunOS 5.6 105395-05
SunOS 5.6_x86 105396-05
SunOS 5.5.1 103594-18
SunOS 5.5.1_x86 103595-18
A. Patches listed in this bulletin are available to all Sun customers at:
B. Checksums for the patches listed in this bulletin are available at:
C. Sun security bulletins are available at:
D. Sun Security Coordination Team's PGP key is available at:
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:
F. To receive information or subscribe to our CWS (Customer Warning System)
mailing list, send email to:
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 Coordination 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):
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 1999 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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