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             AUSCERT External Security Bulletin Redistribution

     ESB-2004.0070 -- Sun(sm) Alert Notification - Sun Alert ID: 57479
            Security Vulnerability With Loading Arbitrary Kernel 
                        Modules in Solaris Kernel
                              27 January 2004

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

Product:                kernel
Publisher:              Sun Microsystems
Operating System:       Solaris 9
                        Solaris 8
                        Solaris 7
Platform:               SPARC
                        IA-32
Impact:                 Root Compromise
Access Required:        Existing Account

Original Bulletin:
         http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert%2F57479

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   DOCUMENT ID: 57479
   SYNOPSIS: Security Vulnerability With Loading Arbitrary Kernel Modules
   in Solaris Kernel
   DETAIL DESCRIPTION:
   
Sun(sm) Alert Notification

     * Sun Alert ID: 57479
     * Synopsis: Security Vulnerability With Loading Arbitrary Kernel
       Modules in Solaris Kernel
     * Category: Security
     * Product: Solaris
     * BugIDs: 4729683
     * Avoidance: Patch
     * State: Resolved
     * Date Released: 22-Jan-2004
     * Date Closed: 22-Jan-2004
     * Date Modified:
       
1. Impact

   By loading arbitrary kernel modules, an unprivileged local user may be
   able to gain root privileges.
   
2. Contributing Factors

   This issue can occur in the following releases:
   
   SPARC Platform
     * Solaris 7 without patch 106541-29
     * Solaris 8 without patch 108528-27
     * Solaris 9 without patch 112233-11
       
   x86 Platform
     * Solaris 7 without patch 106542-29
     * Solaris 8 without patch 108529-27
     * Solaris 9 without patch 112234-11
       
   Note: Solaris 2.6 will not be evaluated regarding the potential impact
   of the issue described in this Sun Alert.
   
3. Symptoms

   There are no predictable symptoms that would indicate the described
   issue has been exploited.
   SOLUTION SUMMARY:
   
4. Relief/Workaround

   There is no workaround. Please see the "Resolution" section below.
   
5. Resolution

   This issue is addressed in the following releases:
   
   SPARC Platform
     * Solaris 7 with patch 106541-29 or later
     * Solaris 8 with patch 108528-27 or later
     * Solaris 9 with patch 112233-11 or later
       
   x86 Platform
     * Solaris 7 with patch 106542-29 or later
     * Solaris 8 with patch 108529-27 or later
     * Solaris 9 with patch 112234-11 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 2000-2004 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved.

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