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UNIRAS Brief - 314/04 - Sun Alert ID: 57581 - Systems With Enterprise Storage Manager 2.1 Installed May



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 314/04 dated 22.06.04  Time: 14:05  
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
=====

Sun Alert ID: 57581 - Systems With Enterprise Storage Manager 2.1 Installed May 
Allow an Unprivileged Local User to Gain Root Acess


Detail
====== 

A local unprivileged user may be able to gain root access on systems
with Enterprise Storage Manager (ESM) 2.1 installed.





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===========================================================================
             

       ESB-2004.0427 -- Sun Alert Notification - Sun Alert ID: 57581
    Systems With Enterprise Storage Manager 2.1 Installed May Allow an
                Unprivileged Local User to Gain Root Acess
                               22 June 2004

===========================================================================

        

Product:                Enterprise Storage Manager (ESM) 2.1
Publisher:              Sun Microsystems
Operating System:       Solaris 9
                        Solaris 8
Platform:               SPARC
Impact:                 Root Compromise
Access Required:        Existing Account

Original Bulletin:
         http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert%2F57581

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   DOCUMENT ID: 57581
   SYNOPSIS: Systems With Enterprise Storage Manager 2.1 Installed May
   Allow an Unprivileged Local User to Gain Root Acess
   DETAIL DESCRIPTION:
   
Sun(sm) Alert Notification

     * Sun Alert ID: 57581
     * Synopsis: Systems With Enterprise Storage Manager 2.1 Installed
       May Allow an Unprivileged Local User to Gain Root Access
     * Category: Security
     * Product: Sun StorEdge Enterprise Storage Manager (ESM)
     * BugIDs: 5033990
     * Avoidance: Workaround, Patch
     * State: Resolved
     * Date Released: 18-Jun-2004
     * Date Closed: 18-Jun-2004
     * Date Modified:
       
1. Impact

   A local unprivileged user may be able to gain root access on systems
   with Enterprise Storage Manager (ESM) 2.1 installed.
   
2. Contributing Factors

   This issue can occur in the following releases:
   
   SPARC Platform
     * Enterprise Storage Manager (ESM) 2.1 (for Solaris 8 and Solaris 9)
       without patch 117367-01
       
   This issue only occurs when a non-root user has been assigned the
   "ESMUser" role on the management station. (See the "Relief/Workaround"
   section below for information on how to determine if a user has been
   assigned the "ESMUser" role.)
   
   Note 1: Enterprise Storage Manager (ESM) versions 1.2 and 2.0 are not
   affected by this issue.
   
   Note 2: ESM 2.1 is not supported on the x86 platform.
   
3. Symptoms

   There are no predictable symptoms that would indicate the described
   issue has been exploited to gain unauthorized root access to the
   system.
   SOLUTION SUMMARY:
   
4. Relief/Workaround

   Until patches can be applied, sites may want to remove the "ESMUser"
   role from all non-root users.
   
   To determine if a user has been assigned the "ESMUser" role, use the
   following command:
    # roles "logins -o | cut -f1 -d:" | grep ESMUser            

   This command will list the output in the form of:
    <username> : <role list>                        

   For example:
    # roles "logins -o | cut -f1 -d:" | grep ESMUser
    root : ESMUser
    ESMUser : No roles
    demo : ESMUser
    perf : ESMUser                        

   If "ESMUser" does not appear in the role list for any non-root
   username, then no further action is needed. However, if "ESMUser" does
   appear on the role list for a non-root username, remove it by running
   the following command:
    # /opt/SUNWstm/bin/esm_user -r <username>                        

   Given the example above, the corresponding commands to run would be:
    # /opt/SUNWstm/bin/esm_user -r demo
    Removing ESMUser role from local user: demo ...
    Restarting name service cache daemon and smcwebserver...
    Restarting smcwebserver...
    Shutting down Sun(TM) Web Console Version 2.0.2...
    Starting Sun(TM) Web Console Version 2.0.2...
    See /var/log/webconsole/console_debug_log for server logging information

    # /opt/SUNWstm/bin/esm_user -r perf
    Removing ESMUser role from local user: perf ...
    Restarting name service cache daemon and smcwebserver...
    Restarting smcwebserver...
    Shutting down Sun(TM) Web Console Version 2.0.2...
    Starting Sun(TM) Web Console Version 2.0.2...
    See /var/log/webconsole/console_debug_log for server logging information   
                     

   Note: There is no need to run the "esm_user -r" command against the
   "ESMUser" username; only run it against other non-root usernames with
   "ESMUser" in their role list.
   
5. Resolution

   This issue is addressed in the following releases:
   
   SPARC Platform
     * Sun StorEdge Enterprise Storage Manager 2.1 (for Solaris 8 and
       Solaris 9) with patch 117367-01 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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