-----BEGIN PGP SIGNED MESSAGE----- =============================================================================== Security Advisory CERT-NL =============================================================================== Author/Source : Nico de Koo Index : S-99-29 Distribution : World Page : 1 Classification: External Version: 1 Subject : SUN: rpc.cmsd Date : 26-Aug-99 =============================================================================== By courtesy of Sun Microsystems, Inc. we received information on a vulnerability in rpc.cmsd CERT-NL recommends installation of the patches provided. ============================================================================== ________________________________________________________________________________ Sun Microsystems, Inc. Security Bulletin Bulletin Number: #00188 Date: August 25, 1999 Cross-Ref: CERT CA-99-08 Title: rpc.cmsd _______________________________________________________________________________ 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. Bulletin Topics Sun announces the release of patches for Solaris(tm) 7, 2.6, 2.5.1, 2.5, 2.4, 2.3 (SunOS(tm) 5.7, 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 involving rpc.cmsd. Sun recommends that you: Install the OpenWindows patches listed in section 4 immediately on systems running SunOS 5.5.1, 5.5, 5.4, 5.3, 4.1.4, and 4.1.3_U1. Install the Common Desktop Environment (CDE) patches listed in section 4 immediately on systems running SunOS 5.7 and 5.6. Install the CDE patches listed in section 4 immediately on systems running SunOS 5.5.1, 5.5, and 5.4 with CDE 1.0.2 or 1.0.1 installed. 2. Who is Affected Vulnerable: SunOS 5.7, 5.7_x86, 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 rpc.cmsd is a small database manager for appointment and resource-scheduling data. Its primary client is Calendar Manager in OpenWindows, and Calendar in CDE. A buffer overflow vulnerability has been discovered which may be exploited to execute arbitrary instructions and gain root access. 4. List of Patches The following patches are available in relation to the above problem. OpenWindows: SunOS version Patch ID _____________ _________ SunOS 5.5.1 104976-04 SunOS 5.5.1_x86 105124-03 SunOS 5.5 103251-09 SunOS 5.5_x86 103273-07 SunOS 5.4 102030-10 SunOS 5.4_x86 102031-08 SunOS 5.3 101513-14 SunOS 4.1.4 100523-25 SunOS 4.1.3_U1 100523-25 CDE: SunOS versions CDE version Patch ID ______________ ___________ ________ 5.7 1.3 107022-04 5.7_x86 1.3_x86 107023-04 5.6 1.2 105566-07 5.6_x86 1.2_x86 105567-08 5.5.1, 5.5, 5.4 1.0.2 103670-07 5.5.1_x86, 5.5_x86, 5.4_x86 1.0.2_x86 103717-08 5.5, 5.4 1.0.1 103671-07 5.5_x86, 5.4_x86 1.0.1_x86 103718-08 _______________________________________________________________________________ APPENDICES A. Patches listed in this bulletin are available to all Sun customers at: http://sunsolve.sun.com/pub-cgi/show.pl?target=patches/patch-license&nav=pub-patches 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/pub-cgi/secBulletin.pl 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 one or more of the following: - Your local Sun Solution Center - Your representative computer security response team, such as CERT - Sun Security Coordination Team. Send email to: security-alert@sun.com F. 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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. - -------------------------------------------------------------------------------- CERT-NL thanks Sun Microsystems, Inc for providing 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). 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