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>>                                                      CERT-NL, 01-Mar-2000 <<
>> All CERT-NL information has been moved to http://cert.surfnet.nl.  Links  <<
>> to CERT-NL information contained in this advisory are therefore outdated. <<
>>                                                                           <<
>> CERT-NL also has stopped the CERT-CC-Mirror service.  Due to this the     <<
>> links to the CERT-CC mirror are obsolete. Visit the CERT-CC site for the  <<
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Security Advisory CERT-NL
==============================================================================
Author/Source : Niels den Otter                             Index  :   S-99-04
Distribution  : World                                       Page   :         1
Classification: External                                    Version:         1
Subject       : Solaris vulnerability in sdtcm_convert      Date   : 12-Feb-99
==============================================================================

By courtesy of Sun Microsystems we received information on a vulnerability
in Solaris sdtcm_convert utility. A buffer overflow has been discovered
which may be exploited to gain root access.

CERT-NL recommends to install the patches outlined in section 3.

=============================================================================
________________________________________________________________________________
                   Sun Microsystems, Inc. Security Bulletin
                
Bulletin Number:        #00183
Date:                   February 10, 1999
Cross-Ref:              
Title:                  sdtcm_convert
________________________________________________________________________________

The information contained in this Security Bulletin is provided "AS IS." 
Sun makes no warranties of any kind whatsoever with respect to the information 
contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS, 
REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT OR 
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE 
HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW.

IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE, 
PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL 
OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY 
ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN 
THIS SECURITY BULLETIN, EVEN IF SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF 
THE POSSIBILITY OF SUCH DAMAGES.

If any of the above provisions are held to be in violation of applicable law, 
void, or unenforceable in any jurisdiction, then such provisions are waived 
to the extent necessary for this disclaimer to be otherwise enforceable in 
such jurisdiction.
________________________________________________________________________________

1.  Background

    sdtcm_convert is a setuid-root calendar data conversion utility which
    converts version 3 (OpenWindows) calendar data format to version 4 
    (extensible calendar data format), and vice versa. A buffer overflow
    has been discovered which may be exploited to gain root access.  

2.  Affected Supported Versions
        
    Solaris(tm) versions:   7, 7_x86, 2.6, 2.6_x86, 2.5.1, 2.5.1_x86, 2.5,
                            2.5_x86, 2.4 and 2.4_x86 running CDE
                   
3.  Recommendations

    Sun recommends that you install the respective patches immediately
    on affected systems.
    
    CDE Version         Patch ID        
    ___________         _________ 
    1.3                 107022-01
    1.3_x86             107023-01
    1.2                 105566-06
    1.2_x86             105567-07
    1.0.2               103670-06
    1.0.2_x86           103717-06
    1.0.1               103671-06
    1.0.1_x86           103718-06

_______________________________________________________________________________
APPENDICES

A.  Patches listed in this bulletin are available to all Sun customers via 
    World Wide Web at:
    
        <URL:http://sunsolve.sun.com/sunsolve/pubpatches/patches.html>

B.  Checksums for the patches listed in this bulletin are available via 
    World Wide Web at:

        <URL:http://sunsolve.sun.com/sunsolve/pubpatches/patches.html>

C.  Sun security bulletins are available via World Wide Web at:

        <URL:http://sunsolve.sun.com/sunsolve/secbulletins>
        
D.  Sun Security Coordination Team's PGP key is available via World Wide Web 
    at:

        <URL:http://sunsolve.sun.com/sunsolve/secbulletins/SunSCkey.txt>
                                    
E.  To report or inquire about a security problem with Sun software, contact 
    one or more of the following:
  
        - Your local Sun answer centers
        - Your representative computer security response team, such as CERT 
        - Sun Security Coordination Team. Send email to:
         
                security-alert@sun.com

F.  To receive information or subscribe to our CWS (Customer Warning System) 
    mailing list, send email to:
    
                security-alert@sun.com
   
    with a subject line (not body) containing one of the following commands:

        Command         Information Returned/Action Taken
        _______         _________________________________

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                                subscribe cws your-email-address
                        
                        Note that your-email-address should be substituted
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        unsubscribe     Sender is removed from the CWS mailing list.
________________________________________________________________________________

Copyright 1999 Sun Microsystems, Inc. All rights reserved. Sun, 
Sun Microsystems, Solaris and SunOS are trademarks or registered trademarks 
of Sun Microsystems, Inc. in the United States and other countries. This 
Security Bulletin may be reproduced and distributed, provided that this 
Security Bulletin is not modified in any way and is attributed to 
Sun Microsystems, Inc. and provided that such reproduction and distribution 
is performed for non-commercial purposes.

=================================================================================
CERT-NL wishes to thank SUN Microsystems, Inc for bringing this information to
our attention
=================================================================================
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