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             AUSCERT External Security Bulletin Redistribution

                        ESB-2008.1053 -- [Solaris]
A Buffer Overflow Security Vulnerability in the Solaris sadmind(1M) Daemon
                  May Lead to Execution of Arbitrary Code
                                25 May 2009

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

Product:              sadmind
Publisher:            Sun Microsystems
Operating System:     Solaris 8
                      Solaris 9
Impact:               Root Compromise
Access:               Existing Account
CVE Names:            CVE-2008-4556

Original Bulletin:    
  http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-245806-1

Revision History:     May 25 2009: Workaround Release
                      November 17 2008: Initial Release

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Solution Type: Sun Alert

Solution  245806 :   A Buffer Overflow Security Vulnerability in the
Solaris sadmind(1M) Daemon May Lead to Execution of Arbitrary Code          
Bug ID: 6710920

Product

Solaris 8 Operating System
Solaris 9 Operating System

Date of Workaround Release: 14-Nov-2008
Date of Resolved Release: 22-May-2009

SA Document Body

A Buffer Overflow Security Vulnerability in the Solaris sadmind(1M) Daemon 
May Lead to Execution of Arbitrary Code

1. Impact

A buffer overflow security vulnerability in the Solaris sadmind(1M)
daemon may allow a local or remote unprivileged user to execute
arbitrary code with root privileges.

Sun acknowledges with thanks, Adriano Lima of RISE security for
bringing this issue to our attention.
This issue is described in the following documents:

   RISE-2008001 at http://risesecurity.org/advisories/RISE-2008001.txt
   CVE-2008-4556 at
   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4556

   2. Contributing Factors
   This issue can occur in the following releases:
   SPARC Platform
     * Solaris 8 without patch 116455-02
     * Solaris 9 without patch 116453-03

   x86 Platform
     * Solaris 8 without patch 116442-02
     * Solaris 9 without patch 116454-03

Notes:
   1. Solaris 8 entered EOSL Phase 2 on 1 April 2009. Entitlement to
   patches developed on or after 1 April 2009 requires the purchase of
   the Solaris 8 Vintage Patch Service. See note in section 5 for more
   details.
   2. Solaris 10 and OpenSolaris do not ship with sadmind(1M) and
   therefore are not affected by this issue.
   To determine if sadmind(1M) is enabled on the system, the following
   command can be run:
$ grep sadmind /etc/inet/inetd.conf
100232/10  tli  rpc/udp wait root /usr/sbin/sadmind  sadmind

3. Symptoms

There are no predictable symptoms that would indicate this issue has
been exploited to execute arbitrary code.

4. Workaround

To work around this issue, sadmind(1M) can be disabled by doing the
following:
   1. Edit the '/etc/inetd.conf' file as the root user to comment out the
   entry for sadmind(1M). This entry will then read as:
#100232/10   tli   rpc/udp wait root /usr/sbin/sadmind    sadmind

   2. Restart the inetd(1M) process to reread the newly modified
   '/etc/inetd.conf' file. This may be done using the following command:
# /usr/bin/pkill -HUP inetd

5. Resolution

This issue is addressed in the following releases:
   SPARC Platform
     * Solaris 8 with patch 116455-02 or later
     * Solaris 9 with patch 116453-03 or later

   x86 Platform
     * Solaris 8 with patch 116442-02 or later
     * Solaris 9 with patch 116454-03 or later

Note: The READMEs of Solaris 8 patches developed on or after 1 April
2009 are available to all customers. However, Solaris 8 entered EOSL
Phase 2 on April 1, 2009 and thus entitlement for these patches,
including those that fix security vulnerabilities, requires the
purchase of the Solaris 8 Vintage Patch Service. More information
about the Solaris 8 Vintage Patch Service is available at:

   http://www.sun.com/service/eosl/Solaris8.html

For more information on Security Sun Alerts, see Technical
Instruction ID 213557.

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 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved

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