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             AUSCERT External Security Bulletin Redistribution

       ESB-2004.0110 -- Sun Alert Notification - Sun Alert ID: 57414
          Buffer Overflow Vulnerability in the CDE DtHelp Library
                             10 February 2004

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

Product:                CDE DtHelp Library
Publisher:              Sun Microsystems
Operating System:       Solaris 9
                        Solaris 8
                        Solaris 7
Impact:                 Root Compromise
                        Denial of Service
Access Required:        Existing Account
CVE Names:              CAN-2003-0834

Ref:                    ESB-2003.0772

Original Bulletin:

         http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert%2F57414

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   DOCUMENT ID: 57414
   SYNOPSIS: Buffer Overflow Vulnerability in the CDE DtHelp Library May
   Allow Unauthorized "root" Access
   DETAIL DESCRIPTION:
   
Sun(sm) Alert Notification

     * Sun Alert ID: 57414
     * Synopsis: Buffer Overflow Vulnerability in the CDE DtHelp Library
       May Allow Unauthorized "root" Access
     * Category: Security
     * Product: Solaris
     * BugIDs: 4930117
     * Avoidance: Patch, T-patch
     * State: Engineering Complete
     * Date Released: 07-Nov-2003
     * Date Closed:
     * Date Modified: 06-Feb-2004
       
1. Impact

   The DtHelp library (libDtHelp.so) is used by the Common Desktop
   Environment (CDE) to display context help. This library contains a
   buffer overflow vulnerability which could allow a local user to gain
   root access or possibly crash affected CDE applications which utilize
   the DtHelp library causing a Denial of Service.
   
   This issue is described in the CERT Vulnerability VU#575804 (see
   [1]http://www.kb.cert.org/vuls/id/575804) and CVE CAN-2003-0834 (see:
   [2]http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0834).
   
2. Contributing Factors

   This issue can occur in the following releases:
   
   SPARC Platform
     * Solaris 7 without patch 107178-03
     * Solaris 8 without patch 108949-08
     * Solaris 9 without patch 116308-01
       
   x86 Platform
     * Solaris 7 without patch 107179-03
     * Solaris 8 without patch 108950-08
     * Solaris 9
       
3. Symptoms

   There are no reliable symptoms that would show the described issue has
   been exploited to gain unauthorized root access to a host.
   SOLUTION SUMMARY:
   
4. Relief/Workaround

   Preliminary T-patches are being made available through normal support
   channels for the following releases:
   
   x86 Platform
     * Solaris 9 T-patch T116309-01
       
5. Resolution

   This issue is addressed in the following releases:
   
   SPARC platform
     * Solaris 7 with patch 107178-03 or later
     * Solaris 8 with patch 108949-08 or later
     * Solaris 9 with patch 116308-01 or later
       
   x86 Platform
     * Solaris 7 with patch 107179-03 or later
     * Solaris 8 with patch 108950-08 or later
       
   A final resolution is pending completion.
   
Change History

   06-Feb-2004:
     * Updated Contributing Factors and Resolution sections
       
   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,
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   AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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   Copyright 2000-2003 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved.
   

References

   1. http://www.kb.cert.org/vuls/id/575804
   2. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0834

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