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Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00166
Date: March 11, 1998
Cross-Ref:
Title: rpc.cmsd
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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.
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1. Bulletins Topics
Sun announces the release of patches for Solaris(tm) 2.5.1, 2.5, 2.4,
2.3 (SunOS(tm) 5.5.1, 5.5, 5.4, 5.3), SunOS 4.1.4, and 4.1.3_U1 which
relate to a vulnerability in rpc.cmsd.
Sun recommends that you install the 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 with Openwindows or SunOS 5.5.1, 5.5, and 5.4 with the
Common Desktop Environment (CDE).
2. Who is Affected
Vulnerable: SunOS 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 running Openwindows
SunOS 5.5.1, 5.5.1_x86, 5.5, 5.5_x86, 5.4, and 5.4_x86
running CDE
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. This vulnerability, if exploited,
allows attackers to overwrite arbitrary files and gain root access.
4. List of Patches
The following patches are available in relation to the above problem.
OpenWindows:
SunOS Patch ID
_____ _________
SunOS 5.5.1 104976-03
SunOS 5.5.1_x86 105124-02
SunOS 5.5 103251-07
SunOS 5.5_x86 103273-04
SunOS 5.4 102030-09
SunOS 5.4_x86 102031-07
SunOS 5.3 101513-12
SunOS 4.1.4 100523-24
SunOS 4.1.3_U1 100523-24
CDE:
CDE version Patch ID
___________ ________
1.02 103670-04
1.02_x86 103717-04
1.01 103671-04
1.01_x86 103718-04
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Sun acknowledges with thanks Marko Laakso (University of Oulu) for
his assistance in this matter.
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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:
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____________________________________________________________________________
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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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bagel@neosoft.com
--Tony Hagale
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