TUCoPS :: SunOS/Solaris :: ciaci072.txt

SunOS Libnsl Sunwadmap Vulnerability

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             __________________________________________________________

                       The U.S. Department of Energy
                    Computer Incident Advisory Capability
                           ___  __ __    _     ___
                          /       |     /_\   /
                          \___  __|__  /   \  \___
             __________________________________________________________

                             INFORMATION BULLETIN

                    SunOS Vulnerabilities (libnsl, SUNWadmap)

July 17, 1998 17:00 GMT                                           Number I-072
______________________________________________________________________________
PROBLEM:       Two vulnerabilities have been identified by Sun:
               1) libnsl, the network services library.
               2) SUNWadmap, the system administration applications package.
PLATFORM 1:    SunOS 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86, 5.4,
               5.4_x86 and 5.3.
PLATFORM 2:    Systems running SunOS 5.6 and 5.6_x86 which installed the 
               SUNWadmap package from the Solaris 2.6 Hardware:3/98 or 5/98 
               update releases.
DAMAGE:        If exploited, both of these vulnerabilities may allow attackers
               to gain root access.
SOLUTION:      Apply patches.
______________________________________________________________________________
VULNERABILITY  Sun strongly recommends that the patches be installed
ASSESSMENT:    immediately on all vulnerable systems.
______________________________________________________________________________

[ Start Sun Microsystems, Inc. Advisories ]

1) libnsl
______________________________________________________________________________
                   Sun Microsystems, Inc. Security Bulletin
               
Bulletin Number:#00172
Date:           July 15, 1998
Cross-Ref:      RSI.0005.05-14-98.SUN.LIBNSL
Title:          libnsl
______________________________________________________________________________

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.  Bulletins Topics

    Sun announces the release of patches for Solaris(tm) 2.6, 2.5.1, 2.5
    and 2.4 (SunOS(tm) 5.6, 5.5.1, 5.5 and 5.4), which relate to a
    vulnerability in libnsl.

    Sun estimates that the release of patches for Solaris 2.3 (SunOS 5.3)
    that relate to the same vulnerability will be available within 8 weeks
    of the date of this bulletin.
   
    Sun strongly recommends that you install the patches listed in section 4
    immediately on systems running SunOS 5.6, 5.5.1, 5.5, and 5.4 which use
    libnsl.
   
2.  Who is Affected
       
    Vulnerable:  SunOS 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86,
                 5.4, 5.4_x86 and 5.3.
                
    Not vulnerable: All other supported versions of SunOS.
   
3.  Understanding the Vulnerability

    The network services library, libnsl, provides functions which may be
    used by application programs to interface to network services.  Several
    buffer overflows have been discovered in the library routines which
    could be exploited to gain root access.
       
4.  List of Patches

    The following patches are available in relation to the above problem.

    SunOS               Patch ID       
    _____               _________
    SunOS 5.6           105401-14              
    SunOS 5.6_x86       105402-14
    SunOS 5.5.1         103612-43
    SunOS 5.5.1_x86     103613-43
    SunOS 5.5           103187-39
    SunOS 5.5_x86       103188-39
    SunOS 5.4           101973-36
    SunOS 5.4_x86       101974-36
    SunOS 5.3           101318-91       (to be released in 8 weeks)

______________________________________________________________________________
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/pub-cgi/secbul.pl>
       
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
        _______         _________________________________

        help            An explanation of how to get information
       
        key             Sun Security Coordination Team's PGP key
       
        list            A list of current security topics

        query [topic]   The email is treated as an inquiry and is forwarded to
                        the Security Coordination Team

        report [topic]  The email is treated as a security report and is
                        forwarded to the Security Coordination Team. Please
                        encrypt sensitive mail using Sun Security Coordination
                        Team's PGP key

        send topic      A short status summary or bulletin. For example, to
                        retrieve a Security Bulletin #00138, supply the
                        following in the subject line (not body):
                       
                                send #138

        subscribe       Sender is added to our mailing list.  To subscribe,
                        supply the following in the subject line (not body):

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

Copyright 1998 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.



2) SUNWadmap
______________________________________________________________________________
                   Sun Microsystems, Inc. Security Bulletin
               
Bulletin Number:#00173
Date:           July 15, 1998
Cross-Ref:             
Title:          SUNWadmap
______________________________________________________________________________

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.  Bulletins Topics

    Sun announces the release of patches for Solaris(tm) 2.6 (SunOS(tm) 5.6),
    which relate to a vulnerability in the System administration applications
    package, SUNWadmap.

    Sun strongly recommends that you install the patches listed in section
    4 immediately on systems running SunOS 5.6 which have installed the
    SUNWadmap package from the Solaris 2.6 Hardware:3/98 or 5/98 update
    releases.
   
2.  Who is Affected
       
    Systems running SunOS 5.6 and 5.6_x86 which installed the SUNWadmap
    package from the Solaris 2.6 Hardware:3/98 or 5/98 update releases.
   
3.  Understanding the Vulnerability

    The System administration applications package, SUNWadmap, provides
    software used to perform system administration tasks.  A vulnerability
    has been discovered in the SUNWadmap package of the Solaris 2.6
    Hardware:3/98 and 5/98 update releases which could be exploited to get
    root access.
       
4.  List of Patches

    The following patches are available in relation to the above problem.

    SunOS               Patch ID       
    _____               _________
    SunOS 5.6           105800-02       (requires patch 106125-05)
    SunOS 5.6_x86       105801-02       (requires patch 106126-05)

______________________________________________________________________________
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/pub-cgi/secbul.pl>
       
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
        _______         _________________________________

        help            An explanation of how to get information
       
        key             Sun Security Coordination Team's PGP key
       
        list            A list of current security topics

        query [topic]   The email is treated as an inquiry and is forwarded to
                        the Security Coordination Team

        report [topic]  The email is treated as a security report and is
                        forwarded to the Security Coordination Team. Please
                        encrypt sensitive mail using Sun Security Coordination
                        Team's PGP key

        send topic      A short status summary or bulletin. For example, to
                        retrieve a Security Bulletin #00138, supply the
                        following in the subject line (not body):
                       
                                send #138

        subscribe       Sender is added to our mailing list.  To subscribe,
                        supply the following in the subject line (not body):

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

Copyright 1998 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.

[ End Sun Microsystems, Inc. Advisories ]
______________________________________________________________________________

CIAC wishes to acknowledge the contributions of Sun Microsystems, Inc. for the
information contained in this bulletin.
______________________________________________________________________________


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