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TUCoPS :: HP/UX :: n-006.txt

HP pam_authz in LDAP-UX Integration Vulnerability (CIAC N-006)




             __________________________________________________________

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

                             INFORMATION BULLETIN

              HP pam_authz in LDAP-UX Integration Vulnerabilities
                   [Hewlett-Packard Bulletin HPSBUX0209-221]

October 9, 2002 17:00 GMT                                         Number N-006
______________________________________________________________________________
PROBLEM:       The NativeLdapClient portion of LDAP-UX Client Services in the
               LDAP-UX Integration package provides native access to a
               directory server, bypassing NIS. The pam_authz module in this
               portion allows the system administrator to use netgroups or
               authenticate to various services. Vulnerabilities with this
               pam_authz module have been identified in versions B.02.00 and
               B.03.00 which can allow r-commands or other services to execute
               under the wrong user id.
AFFECTED       LDAP-UX B.02.00 and B.03.00
SOFTWARE:
PLATFORM:      HP9000 Series 700/800 running HP-UX releases 11.00 and 11.11.
DAMAGE:        Attackers could gain unauthorized privileges.
SOLUTION:      Update to HP LDAP-UX Integration version B.03.01.
______________________________________________________________________________
VULNERABILITY  The risk is HIGH. An attacker could potentially gain
ASSESSMENT:    unauthorized access, elevate privileges to root level, and run
               arbitrary code of his/her choice.
______________________________________________________________________________
LINKS:
 CIAC BULLETIN:      http://www.ciac.org/ciac/bulletins/n-006.shtml
 SOFTWARE            Available on http://software.hp.com
 RELEASES:
______________________________________________________________________________
[***** Start Hewlett-Packard Bulletin HPSBUX0209-221 *****]

 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN: HPSBUX0209-221
 Originally issued: 30 Sep 2002
 SSRT2346  Security Vulnerability in LDAP-UX Integration
 -----------------------------------------------------------------

NOTICE: There are no restrictions for distribution of this 
Bulletin provided that it remains complete and intact.

The information in the following Security Bulletin should be
acted upon as soon as possible.  Hewlett-Packard Company will
not be liable for any consequences to any customer resulting
from customer's failure to fully implement instructions in this
Security Bulletin as soon as possible.

 ------------------------------------------------------------------
PROBLEM: pam_authz vulnerabilities in LDAP-UX Integration product

IMPACT:  Potential for increased privilege.

PLATFORM: HP9000 Series 700/800 running HP-UX releases 11.00
          and 11.11.

SOLUTION: Update to B.03.01 version

MANUAL ACTIONS: Yes - Update
                HP-UX 11.00 and 11.11, update to
                LDAP-UX version B.03.01.

AVAILABILITY: A new version is available on http://software.hp.com.

 ------------------------------------------------------------------
 A. Background
    The LDAP-UX Integration product (J4269AA) versions B.02.00 and
    B.03.00 contain defects which can cause r-commands to execute
    under the wrong user id.

 B. Recommended solution
    Update to the LDAP-UX Integration B.03.01 version which is
    available on http://software.hp.com, under the Internet and
    Security solutions.

 C. To subscribe to automatically receive future NEW HP Security
    Bulletins from the HP IT Resource Center via electronic
    mail, do the following:

    Use your browser to get to the HP IT Resource Center page
    at:

       http://itrc.hp.com

    Use the 'Login' tab at the left side of the screen to login
    using your ID and password.  Use your existing login or the
    "Register" button at the left to create a login, in order to
    gain access to many areas of the ITRC.  Remember to save the
    User ID assigned to you, and your password.

    In the left most frame select "Maintenance and Support".

    Under the "Notifications" section (near the bottom of
    the page), select "Support Information Digests".
     
    To -subscribe- to future HP Security Bulletins or other
    Technical Digests, click the check box (in the left column)
    for the appropriate digest and then click the "Update
    Subscriptions" button at the bottom of the page.

    or

    To -review- bulletins already released, select the link
    (in the middle column) for the appropriate digest.

    To -gain access- to the Security Patch Matrix, select
    the link for "The Security Bulletins Archive".  (near the
    bottom of the page)  Once in the archive the third link is
    to the current Security Patch Matrix. Updated daily, this
    matrix categorizes security patches by platform/OS release,
    and by bulletin topic.  Security Patch Check completely
    automates the process of reviewing the patch matrix for
    11.XX systems.

    For information on the Security Patch Check tool, see:
    http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
    displayProductInfo.pl?productNumber=B6834AA

    The security patch matrix is also available via anonymous
    ftp:

    ftp://ftp.itrc.hp.com/export/patches/hp-ux_patch_matrix/

    On the "Support Information Digest Main" page:
    click on the "HP Security Bulletin Archive".

 D. To report new security vulnerabilities, send email to

    security-alert@hp.com

    Please encrypt any exploit information using the
    security-alert PGP key, available from your local key
    server, or by sending a message with a -subject- (not body)
    of 'get key' (no quotes) to security-alert@hp.com.

 ---------------------------------------------------------------

(c) Copyright 2002 Hewlett-Packard Company
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
in this document is subject to change without notice.
Hewlett-Packard Company and the names of HP products referenced
herein are trademarks and/or service marks of Hewlett-Packard
Company.  Other product and company names mentioned herein may be
trademarks and/or service marks of their respective owners.

 ________________________________________________________________

-----End of Document ID:  HPSBUX0209-221-------------------------

[***** End Hewlett-Packard Bulletin HPSBUX0209-221 *****]
_______________________________________________________________________________

CIAC wishes to acknowledge the contributions of Hewlett-Packard Company for the
information contained in this bulletin.
_______________________________________________________________________________

CIAC, the Computer Incident Advisory Capability, is the computer
security incident response team for the U.S. Department of Energy
(DOE) and the emergency backup response team for the National
Institutes of Health (NIH). CIAC is located at the Lawrence Livermore
National Laboratory in Livermore, California. CIAC is also a founding
member of FIRST, the Forum of Incident Response and Security Teams, a
global organization established to foster cooperation and coordination
among computer security teams worldwide.

CIAC services are available to DOE, DOE contractors, and the NIH. CIAC
can be contacted at:
    Voice:    +1 925-422-8193 (7x24)
    FAX:      +1 925-423-8002
    STU-III:  +1 925-423-2604
    E-mail:   ciac@ciac.org

Previous CIAC notices, anti-virus software, and other information are
available from the CIAC Computer Security Archive.

   World Wide Web:      http://www.ciac.org/
   Anonymous FTP:       ftp.ciac.org

PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing
communities receive CIAC bulletins.  If you are not part of these
communities, please contact your agency's response team to report
incidents. Your agency's team will coordinate with CIAC. The Forum of
Incident Response and Security Teams (FIRST) is a world-wide
organization. A list of FIRST member organizations and their
constituencies can be obtained via WWW at http://www.first.org/.

This document was prepared as an account of work sponsored by an
agency of the United States Government. Neither the United States
Government nor the University of California nor any of their
employees, makes any warranty, express or implied, or assumes any
legal liability or responsibility for the accuracy, completeness, or
usefulness of any information, apparatus, product, or process
disclosed, or represents that its use would not infringe privately
owned rights. Reference herein to any specific commercial products,
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otherwise, does not necessarily constitute or imply its endorsement,
recommendation or favoring by the United States Government or the
University of California. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
Government or the University of California, and shall not be used for
advertising or product endorsement purposes.

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