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ESB-2004.0759 -- Sun Alert Notification 57659 -- Security Vulnerability in the in.rwhod(1M) Daemon

Date: 08 December 2004

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

               ESB-2004.0759 -- Sun Alert Notification 57659
             Security Vulnerability in the in.rwhod(1M) Daemon
                              8 December 2004

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

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

Product:           rwhod
Publisher:         Sun Microsystems
Operating System:  Solaris
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated

Original Bulletin: 
  http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57659-1

- --------------------------BEGIN INCLUDED TEXT--------------------

   Sun(sm) Alert Notification 
     * Sun Alert ID: 57659
     * Synopsis: Security Vulnerability in the in.rwhod(1M) Daemon
     * Category: Security
     * Product: Solaris
     * BugIDs: 4705157
     * Avoidance: Patch
     * State: Resolved
     * Date Released: 06-Dec-2004
     * Date Closed: 06-Dec-2004
     * Date Modified:

   1. Impact A security vulnerability in the in.rwhod(1M) daemon may
   allow a remote privileged user to execute arbitrary code with "root"
   privileges when the in.rwhod(1M) daemon is enabled on the system.

   Note: in.rwhod(1M) is not enabled by default.

   2. Contributing Factors This issue can occur in the following
   releases:

   SPARC Platform

     * Solaris 7 without patch [2]118239-01
     * Solaris 8 without patch [3]116984-01
     * Solaris 9 without patch [4]117455-01

   x86 Platform

     * Solaris 7 without patch [5]118240-01
     * Solaris 8 without patch [6]116985-01
     * Solaris 9 without patch 117456-01

   A system is only vulnerable to this issue if the in.rwhod(1M) daemon
   is enabled. This can be determined by using the pgrep(1) command which
   will only generate output if the daemon is enabled, as in the
   following example:

    $ pgrep -lf in.rwhod
    17157 /usr/sbin/in.rwhod -m


   3. Symptoms There are no predictable symptoms that would indicate the
   described issue has occurred.

   Solution Summary [7]Top

   4. Relief/Workaround To work around the described issue, in.rwhod(1M)
   can be disabled by running the following command:

    # pkill in.rwhod


   5. Resolution This issue is addressed in the following releases:

   SPARC Platform

     * Solaris 7 with patch [8]118239-01 or later
     * Solaris 8 with patch [9]116984-01 or later
     * Solaris 9 with patch [10]117455-01 or later

   x86 Platform

     * Solaris 7 with patch [11]118240-01 or later
     * Solaris 8 with patch [12]116985-01 or later
     * Solaris 9 with patch 117456-01 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.

References

   1. http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57659-1#top
   2. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-118239-01-1
   3. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-116984-01-1
   4. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-117455-01-1
   5. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-118240-01-1
   6. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-116985-01-1
   7. http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57659-1#top
   8. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-118239-01-1
   9. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-116984-01-1
  10. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-117455-01-1
  11. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-118240-01-1
  12. http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-116985-01-1

- --------------------------END INCLUDED TEXT--------------------

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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
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organisation, and should be considered in accordance with your organisation's
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which may arise from following or acting on information or advice contained in
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NOTE: This is only the original release of the security bulletin.  It may
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        http://www.auscert.org.au/render.html?cid=1980

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

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

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================

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