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             AUSCERT External Security Bulletin Redistribution

                        ESB-2007.0474 -- [Solaris]
        Security Vulnerability in the Solaris libsldap Library May
                   Allow a Denial of Service to nscd(1M)
                                3 July 2007

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

Product:              nscd
                      libsldap
Publisher:            Sun Microsystems
Operating System:     Solaris
Impact:               Denial of Service
Access:               Remote/Unauthenticated
CVE Names:            CVE-2007-3458

Original Bulletin:  
  http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102926-1

Revision History:   July 3 2007: Added CVE Name
                   June 28 2007: Initial Release

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Sun(sm) Alert Notification
     * Sun Alert ID: 102926
     * Synopsis: Security Vulnerability in the Solaris libsldap Library
       May Allow a Denial of Service to nscd(1M)
     * Category: Security
     * Product: Solaris 9 Operating System, Solaris 10 Operating System,
       Solaris 8 Operating System
     * BugIDs: 6404337
     * Avoidance: Patch
     * State: Resolved
     * Date Released: 26-Jun-2007
     * Date Closed: 26-Jun-2007
     * Date Modified: 

1. Impact

   A security vulnerability in the Solaris libsldap library may allow a
   local unprivileged user to disable the Name Service Caching Daemon
   (see nscd(1M)) causing name service lookups to be slower (as caching
   will not occur), therefore causing a Denial of Service (DoS)
   condition.

2. Contributing Factors

   This issue can occur in the following releases:

   SPARC Platform
     * Solaris 8 without patch 126373-02
     * Solaris 9 without patch 112960-40
     * Solaris 10 without patch 120036-07

   x86 Platform
     * Solaris 8 without patch 126374-02
     * Solaris 9 without patch 114242-27
     * Solaris 10 without patch 120037-07

   Note: This issue only affects hosts which are configured as LDAP
   clients. The existence of the ldap_cachemgr(1M) process indicates that
   a host is configured as an LDAP client. This can be determined by
   using the following command:
    $ pgrep ldap_cachemgr || echo "system is not an LDAP client

3. Symptoms

   On Solaris 8 and 9, the nscd(1M) daemon will core dump and stop
   running. On Solaris 10, the nscd(1M) daemon will core dump and will be
   restarted automatically by Service Management Facility (SMF - see
   smf(5)). 

4. Relief/Workaround

   There is no workaround for this issue. Please see the Resolution
   section below.

5. Resolution

   This issue is addressed in the following releases:

   SPARC Platform
     * Solaris 8 with patch 126373-02 or later
     * Solaris 9 with patch 112960-40 or later
     * Solaris 10 with patch 120036-07 or later

   x86 Platform
     * Solaris 8 with patch 126374-02 or later
     * Solaris 9 with patch 114242-27 or later
     * Solaris 10 with patch 120037-07 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 2000-2006 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved

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