AusCERT - ESB-2006.0040 -- [Solaris] -- Security Vulnerability May Allow An Unprivileged Local User to Gain Root Access or Panic the OS

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ESB-2006.0040 -- [Solaris] -- Security Vulnerability May Allow An Unprivileged Local User to Gain Root Access or Panic the OS
Date: 13 January 2006

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             AUSCERT External Security Bulletin Redistribution

                        ESB-2006.0040 -- [Solaris]
        Security Vulnerability May Allow An Unprivileged Local User
                    to Gain Root Access or Panic the OS
                              13 January 2006

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        AusCERT Security Bulletin Summary
        ---------------------------------

Publisher:         Sun Microsystems
Operating System:  Solaris 10
                   Solaris 9
Platform:          IA-32
Impact:            Root Compromise
                   Denial of Service
Access:            Existing Account

Original Bulletin: 
  http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102066-1

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Sun(sm) Alert Notification
     * Sun Alert ID: 102066
     * Synopsis: Security Vulnerability May Allow An Unprivileged Local
       User to Gain Root Access or Panic the OS
     * Category: Security
     * Product: Solaris 9 Operating System, Solaris 10 Operating System
     * BugIDs: 6293270
     * Avoidance: Patch
     * State: Resolved
     * Date Released: 11-Jan-2006
     * Date Closed: 11-Jan-2006
     * Date Modified: 

1. Impact

   On Solaris 10 x86 systems, or on Solaris 9 x86 systems with patch
   112234-11 or 112234-12 or patch 117172-16 (or later) installed,
   a local unprivileged user may have the ability to gain root access or
   panic the Solaris operating system.

2. Contributing Factors

   The issue can occur in the following releases:

   x86 Platform
     * Solaris 9 with patch 112234-11, 112234-12 or 117172-16 or
       later and without patch 118559-19
     * Solaris 10 without patch 118844-24

   Note: Solaris 8 is not affected by this issue. Solaris on the SPARC
   platform is not affected by this issue.

3. Symptoms

   There are no predictable symptoms that would indicate this issue has
   been exploited to gain root access. The unprivileged user may cause
   Solaris to panic (with a corresponding stack trace that includes
   functions from the mm(5) driver). 

4. Relief/Workaround

   There is no workaround to this issue. Please see the Resolution
   section below.

5. Resolution

   This issue is addressed in the following releases:

   x86 Platform
     * Solaris 9 with patch 118559-19 or later
     * Solaris 10 with patch 118844-24 or later

   This Sun Alert notification is being provided to you on an "AS IS"
   basis. This Sun Alert notification may contain information provided by
   third parties. The issues described in this Sun Alert notification may
   or may not impact your system(s). Sun makes no representations,
   warranties, or guarantees as to the information contained herein. ANY
   AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
   WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
   NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
   YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
   INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
   OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
   This Sun Alert notification contains Sun proprietary and confidential
   information. It is being provided to you pursuant to the provisions of
   your agreement to purchase services from Sun, or, if you do not have
   such an agreement, the Sun.com Terms of Use. This Sun Alert
   notification may only be used for the purposes contemplated by these
   agreements.

   Copyright 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

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