TUCoPS :: SunOS/Solaris :: ciaci030.txt

SunOS Volrmmount Vulnerability

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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
______________________________________________________________________________

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______________________________________________________________________________

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:

        <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
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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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[ End Sun Microsystems, Inc. Advisory ]

______________________________________________________________________________

CIAC wishes to acknowledge the contributions of Sun Microsystems, Inc. for the
information contained in this bulletin.
______________________________________________________________________________


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