__________________________________________________________
The U.S. Department of Energy
Computer Incident Advisory Capability
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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
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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
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