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TUCoPS :: HP/UX :: ciacl136.txt

CIAC L-136 HP Security Vulnerability In PRM




             __________________________________________________________

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

                             INFORMATION BULLETIN

                     HP-UX   Security Vulnerability in PRM

August 29, 2001 20:00 GMT                                         Number L-136
______________________________________________________________________________
PROBLEM:       Due to an existing vulnerability in /opt/prm/bin, non-root 
               users can alter libraries and environment variables. 
PLATFORM:      HP 9000 Series 700/800 running HP-UX 10.20, HP-UX 11.00, and 
               HP-UX 11.11.
               Patches are available for the following:
                    OP SYS            Product Release            Patch 
                    HP-UX 10.20       PRM C.01.07                PHSS_24863
                    HP-UX 11.00/11.11 PRM C.01.08.2              PHSS_24864 
DAMAGE:        Through the ability to alter the libraries/variables a non-root 
               user is able to compromise the system by gaining root access. 
SOLUTION:      If your system is not up to the revision of PRM listed, HP 
               strongly recommends that you upgrade. This is also true if you 
               have HP-UX Workload Manager (WLM) on your system. A new version 
               of PRM will be available in the September 2001 HP-UX 
               Application Release media.

               If you have the listed revision apply the patch as specified by
               HP, for the listed revisions/systems.

               To check which version of PRM exists on your system use the
               command: "what /usr/bin/prmconfig". 
______________________________________________________________________________
VULNERABILITY  The risk is MEDIUM. The capability of gaining root access 
ASSESSMENT:    exists. 
______________________________________________________________________________
LINKS: 
 CIAC BULLETIN:      http://www.ciac.org/ciac/bulletins/l-136.shtml 
 PATCHES:            http://itrc.hp.com 
______________________________________________________________________________

[******  Begin HP Bulletin  ******]

Document ID:  HPSBUX0108-165
Date Loaded:  20010828
      Title:  Sec. Vulnerability in PRM

----------------------------------------------------------------------
    HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0165,
    Originally issued: 28 August '01
 ----------------------------------------------------------------------
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:  Security vulnerability in HP Process Resource Manager
          (PRM) product revision C.01.08.2 and earlier, on all
          releases of HP-UX.

PLATFORM: HP 9000 Series 700/800 running HP-UX 10.20, HP-UX 11.00,
          and HP-UX 11.11.

DAMAGE:   Potential for non-root user to gain root/superuser
          priviledges.

SOLUTION: Install the appropriate patch for the correct product
          and OS release:
           HP-UX 10.20             PRM C.01.07       PHSS_24863
           HP-UX 11.00/11.11       PRM C.01.08.2     PHSS_24864

MANUAL ACTIONS: none

AVAILABILITY:   The patches are currently available.
 ----------------------------------------------------------------------

A. Background

   A vulnerability exists in /opt/prm/bin for versions up to and
   including PRM C.01.08.2.  Non-root users can potentially alter
   libraries and environment variables to gain root-level access.
   Since HP-UX Workload Manager (WLM) uses PRM to control resources,
   the vulnerability also exists for this software.

B. Recommended solution

   Application of the appropriate patch selected from the list below
   completely solves this problem:

      PRM revision C.01.07 on HP-UX 10.20         PHSS_24863
      PRM revision C.01.08.2 on HP-UX 11.x        PHSS_24864

   NOTE:
   If you are not currently at one of the above revisions of PRM for
   the given OS versions, it is highly recommended that you upgrade.
   To determine which version of PRM is installed, use the command
   "what /usr/bin/prmconfig".

   For HP-UX 11.x, PRM C.02.00 will be available on the
   September 2001 HP-UX Application Release media which addresses
   the problem.

   The problem can also be eliminated by installing the upcoming
   revision of the product, PRM C.02.00, from the September 2001
   HP-UX Application Release media.
   Customers who have HP-UX Workload Manager (WLM) installed should
   upgrade their PRM version to C.01.08.2 and install the appropriate
   patch, or install PRM C.02.00 from the September 2001 HP-UX
   Application Release media.

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.itrc.hp.com:~ftp/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.

   Permission is granted for copying and circulating this
   Bulletin to Hewlett-Packard (HP) customers (or the Internet
   community) for the purpose of alerting them to problems,
   if and only if, the Bulletin is not edited or changed in
   any way, is attributed to HP, and provided such reproduction
   and/or distribution is performed for non-commercial purposes.

   Any other use of this information is prohibited. HP is not
   liable for any misuse of this information by any third party.
________________________________________________________________
-----End of Document ID:  HPSBUX0108-165--------------------------------------

[******  End HP Bulletin  ********]

CIAC, the Computer Incident Advisory Center, 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:
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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
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