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             AUSCERT External Security Bulletin Redistribution

     ESB-2004.0079 -- Sun(sm) Alert Notification - Sun Alert ID: 57453
               The pfexec(1) Command May Execute a "Profile" 
                     Command With Additional Privileges
                             02 February 2004

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

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

Product:                pfexec(1)
Publisher:              Sun Microsystems
Operating System:       Solaris 9
                        Solaris 8
Platform:               SPARC
                        IA-32
Impact:                 Increased Privileges
Access Required:        Existing Account

Original Bulletin:
         http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert%2F57453

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   DOCUMENT ID: 57453
   SYNOPSIS: The pfexec(1) Command May Execute a "Profile" Command With
   Additional Privileges
   DETAIL DESCRIPTION:
   
Sun(sm) Alert Notification

     * Sun Alert ID: 57453
     * Synopsis: The pfexec(1) Command May Execute a "Profile" Command
       With Additional Privileges
     * Category: Security
     * Product: Solaris
     * BugIDs: 4925561
     * Avoidance: Patch
     * State: Resolved
     * Date Released: 29-Jan-2004
     * Date Closed: 29-Jan-2004
     * Date Modified:
       
1. Impact

   A local unprivileged user with a custom rights profile (see
   profiles(1)) may be able to execute a profile command with greater
   privileges than originally assigned, if the execution profiles
   database (exec_attr(4)) contains an invalid entry for that custom
   rights profile.
   
2. Contributing Factors

   This issue can occur in the following releases:
   
   SPARC Platform
     * Solaris 8 without patch 109007-15
     * Solaris 9 without patch 116237-01
       
   x86 Platform
     * Solaris 8 without patch 109008-15
     * Solaris 9 without patch 116238-01
       
   Notes:
    1. Solaris 7 is not affected by this issue.
    2. The modification of the exec_attr(4) file requires "root"
       privileges.
       
   The pfexec(1) program is used to execute commands with the attributes
   specified by the user's profiles in the exec_attr(4) database. A user
   must be part of an execution profile in addition to the default
   profiles of "Basic Solaris User" and "All". A user can determine which
   profiles they are part of by running the profiles(1) command, as in
   this example:
    % profiles
    Basic Solaris User
    All                  

3. Symptoms

   There are no reliable symptoms that would show the described issue has
   been exploited to gain unauthorized elevated privileges on a host.
   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 8 with patch 109007-15 or later
     * Solaris 9 with patch 116237-01 or later
       
   x86 Platform
     * Solaris 8 with patch 109008-15 or later
     * Solaris 9 with patch 116238-01 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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