-----BEGIN PGP SIGNED MESSAGE----- =============================================================================== Security Advisory CERT-NL =============================================================================== Author/Source : Nico de Koo Index : S-97-85 Distribution : World Page : 1 Classification: External Version: 1 Subject : SUN:V8 Sendmail SunOS 4.1.4 and 4.1.3_U1 Date : 04-Dec-97 =============================================================================== By courtesy of SUN Microsystems, Inc we received information on a vulnerability in Sendmail for some versions of SunOS CERT-NL recommends application of the provided patches. ============================================================================== _______________________________________________________________________________ Sun Microsystems, Inc. Security Bulletin Bulletin Number: #00159 Date: December 3, 1997 Cross-Ref: Title: V8 Sendmail for SunOS(tm) 4.1.4 and 4.1.3_U1 ________________________________________________________________________________ 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 SunOS 4.1.4 and 4.1.3_U1 containing the same version of sendmail included with SunOS 5.x: V8.6.9 plus extensions. SunOS 4.1.4 and 4.1.3_U1 originally included V5 sendmail. Sun recommends that customers using sendmail on SunOS 4.1.4 and 4.1.3_U1 install the patches listed in section 4 below to take advantage of security and other enhancements found in V8 sendmail. 2. Understanding What is Available sendmail is a public domain utility based on SMTP, which provides internetwork mail routing. SunOS 4.1.4 and 4.1.3_U1 originally included version 5 of the public domain sendmail with Sun enhancements. Various security related improvements were made to subsequent versions of the public domain sendmail. These improvements were included in the version of sendmail that Sun provides with SunOS 5.x, V8.6.9; in addition, Sun's version includes enhancements to address subsequently identified security vulnerabilities. The patches listed in section 4 below provide this same version of Sun sendmail for SunOS 4.1.4 and 4.1.3_U1 customers. 3. Support for Sun's sendmail The patches listed in section 4 below are covered by Sun's normal support policy. Sun's V5 sendmail is currently covered by Sun's normal support policy. However, with this release of V8 sendmail for SunOS 4.1.4 and 4.1.3_U1. Sun will cease to update V5 patches after May 31, 1998. Patches affected are 102423-xx for SunOS 4.1.4 and 101665-xx for SunOS 4.1.3_U1. 4. List of Patches Sun's most current version of sendmail is provided for SunOS 4.1.4 and 4.1.3_U1 via these patches: OS version Patch ID ______________ _________ SunOS 4.1.4 105466-01 SunOS 4.1.3_U1 105465-01 _______________________________________________________________________________ APPENDICES A. Patches listed in this bulletin are available to all Sun customers via World Wide Web at: B. Checksums for the patches listed in this bulletin are available via World Wide Web at: C. Sun security bulletins are available via World Wide Web at: D. Sun Security Coordination Team's PGP key is available via World Wide Web at: ________________________________________________________________________________ Copyright 1997 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. ============================================================================== CERT-NL wishes to thank SUN Microsystems, Inc for bringing this information. ============================================================================== CERT-NL is the Computer Emergency Response Team for SURFnet customers. SURFnet is the Dutch network for educational, research and related institutes. CERT-NL is a member of the Forum of Incident Response and Security Teams (FIRST). All CERT-NL material is available under: http://www.surfnet.nl/surfnet/security/cert-nl.html ftp://ftp.surfnet.nl/surfnet/net-security In case of computer or network security problems please contact your local CERT/security-team or CERT-NL (if your institute is NOT a SURFnet customer please address the appropriate (local) CERT/security-team). CERT-NL is one/two hour(s) ahead of UTC (GMT) in winter/summer, i.e. UTC+0100 in winter and UTC+0200 in summer (DST). Email: cert-nl@surfnet.nl ATTENDED REGULARLY ALL DAYS Phone: +31 302 305 305 BUSINESS HOURS ONLY Fax: +31 302 305 329 BUSINESS HOURS ONLY Snailmail: SURFnet bv Attn. CERT-NL P.O. Box 19035 NL - 3501 DA UTRECHT The Netherlands NOODGEVALLEN: 06 52 87 92 82 ALTIJD BEREIKBAAR EMERGENCIES : +31 6 52 87 92 82 ATTENDED AT ALL TIMES CERT-NL'S EMERGENCY PHONENUMBER IS ONLY TO BE USED IN CASE OF EMERGENCIES: THE SURFNET HELPDESK OPERATING THE EMERGENCY NUMBER HAS A *FIXED* PROCEDURE FOR DEALING WITH YOUR ALERT AND WILL IN REGULAR CASES RELAY IT TO CERT-NL IN AN APPROPRIATE MANNER. CERT-NL WILL THEN CONTACT YOU. ============================================================================== -----BEGIN PGP SIGNATURE----- Version: 2.6.3i Charset: cp850 iQCVAwUBNIagHUU5nQkWIq1FAQH1OQP6A9qXhuFjqsXh7SfWOAHWw0t26gwinSVk CIfw1akGV+00dA440Pc7xf9pL0jimQscEVtTEQSpB4IH3gskExeC7WZmg/NpA8oy frhpVyKJrxpPH7sMZqk42xJslgKdqhRZtJxqSFOmV2ccYeXBf565g40estweLBNX bq8qiiaSeX0= =4562 -----END PGP SIGNATURE-----