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__________________________________________________________
The U.S. Department of Energy
Computer Incident Advisory Capability
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INFORMATION BULLETIN
SunOS volrmmount(1) Vulnerability
February 11, 1998 19:00 GMT Number I-030
______________________________________________________________________________
PROBLEM: A vulnerability exists in the setuid program volrmmount(1).
PLATFORM: SunOS versions 5.6, 5.6_x86
DAMAGE: If exploited, unauthorized users may view any file on the
system and possibly gain root access.
SOLUTION: Apply patches listed in Section 4.
______________________________________________________________________________
VULNERABILITY Sun recommends that you install the patches listed in section 4
ASSESSMENT: immediately on systems running SunOS 5.6.
______________________________________________________________________________
[ Start Sun Microsystems, Inc. Advisory ]
______________________________________________________________________________
Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00162
Date: February 10, 1998
Cross-Ref:
Title: volrmmount
______________________________________________________________________________
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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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 Solaris(tm) 2.6 (SunOS(tm) 5.6)
which relate to a vulnerability in the volrmmount program.
Sun recommends that you install the patches listed in section 4
immediately on systems running SunOS 5.6.
2. Who is Affected
Vulnerable: SunOS versions 5.6, 5.6_x86
Not vulnerable: All other supported versions of SunOS.
3. Understanding the Vulnerability
The volrmmount(1) program is a setuid program that allows users to
simulate an insertion or ejection of removable media. A vulnerability
has been discovered in volrmount that may allow attackers, if exploited,
to view any file on the system and also to gain root access.
4. List of Patches
The following patches are available in relation to the above problem.
OS version Patch ID
__________ ________
SunOS 5.6 105407-01
SunOS 5.6_x86 105408-01
______________________________________________________________________________
Sun acknowledges with thanks Marko Laakso (University of Oulu) for
his assistance in this matter.
______________________________________________________________________________
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:
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at:
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______________________________________________________________________________
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
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is performed for non-commercial purposes.
[ End Sun Microsystems, Inc. Advisory ]
______________________________________________________________________________
CIAC wishes to acknowledge the contributions of Sun Microsystems, Inc. for the
information contained in this bulletin.
______________________________________________________________________________
CIAC, the Computer Incident Advisory Capability, is the computer
security incident response team for the U.S. Department of Energy
(DOE) and the emergency backup response team for the National
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