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TUCoPS :: HP/UX :: o-003.txt

HP Potential Security Vunlerability in dtprintinfo (CIAC O-003)





             __________________________________________________________

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

                             INFORMATION BULLETIN

               HP Potential Security Vulnerability in dtprintinfo
                           [HPSBUX0310-289 SSRT3589]

October 9, 2003 19:00 GMT                                         Number O-003
______________________________________________________________________________
PROBLEM:       A buffer overflow exists in a function called by the suid root 
               program dtprintinfo. Dtprintinfo graphically displays the 
               status of print queues and print jobs. 
PLATFORM:      HP-UX versions B.11.00, B.11.11, B.11.22 
DAMAGE:        A local user can potentially gain root access. 
SOLUTION:      Apply appropriate patch. 
______________________________________________________________________________
VULNERABILITY  The risk is MEDIUM. It is possible for a local user to gain 
ASSESSMENT:    root access. 
______________________________________________________________________________
LINKS: 
 CIAC BULLETIN:      http://www.ciac.org/ciac/bulletins/o-003.shtml 
 ADDITIONAL 
 INFORMAION:         Visit HEWLETT PACKARD Subscription Service for:
                     HPSBUX0310-289 SSRT3589
______________________________________________________________________________
[***** Start HPSBUX0310-289 SSRT3589 *****]

-----------------------------------------------------------------
 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN: HPSBUX0310-289
 Originally issued: 08 October 2003
 SSRT3589 Potential Security Vulnerability in dtprintinfo
 -----------------------------------------------------------------


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: A buffer overflow exists in a function called by the
         suid root program dtprintinfo.


IMPACT: A local user can potentially gain root access.


PLATFORM: HP-UX versions B.11.00, B.11.11, B.11.22.


SOLUTION: Install the applicable patch:


           B.11.00  PHSS_29367
           B.11.11  PHSS_29371
           B.11.22  PHSS_29373


MANUAL ACTIONS: No


AVAILABILITY:  The patches are available now on itrc.hp.com.
 -----------------------------------------------------------------
 A. Background


    A buffer overflow exists in a function called by dtprintinfo.
    The can potentially be exploited to gain root access.


    The SSRT thanks Davide Del Vecchio for reporting this
    potential vulnerability to HP.


     AFFECTED VERSIONS


     The following is a list by HP-UX revision of
     affected filesets or patches and fix information.
     To determine if a system has an affected version,
     search the output of "swlist -a revision -l fileset"
     for an affected fileset or patch, then determine if
     a fixed revision or applicable patch is installed.


     HP-UX B.11.00
     =============
     X11.X11R6-SHLIBS
     fix: install PHSS_29367 or subsequent


     HP-UX B.11.11
     =============
     X11.X11R6-SHLIBS
     fix: install PHSS_29371 or subsequent


     HP-UX B.11.22
     =============
     X11.X11R6-SHLIBS
     fix: install PHSS_29373 or subsequent


     END AFFECTED VERSIONS



 B. Recommended solution


    Install the applicable patch:


           B.11.00  PHSS_29367
           B.11.11  PHSS_29371
           B.11.22  PHSS_29373


    Until the patch can be installed the problem can be
    worked around by:


       chmod 555 /usr/dt/bin/dtprintinfo


    After this change only the root user will be able to
    use dtprintinfo with full functionality.


 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.


    NOTE: Using your itrc account security bulletins can be
          found here:
    http://itrc.hp.com/cki/bin/doc.pl/screen=ckiSecurityBulletin



    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.  Please note that installing the patches
    listed in the Security Patch Matrix will completely
    implement a security bulletin _only_ if the MANUAL ACTIONS
    field specifies "No."


    The Security Patch Check tool can verify that a security
    bulletin has been implemented on HP-UX 11.XX systems providing
    that the fix is completely implemented in a patch with no
    manual actions required.  The Security Patch Check tool cannot
    verify fixes implemented via a product upgrade.


    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".


    The PGP key used to sign this bulletin is available from
    several PGP Public Key servers.  The key identification
    information is:


       2D2A7D59
       HP Security Response Team (Security Bulletin signing only)
       <security-alert@hp.com>
       Fingerprint =
         6002 6019 BFC1 BC62 F079 862E E01F 3AFC 2D2A 7D59


    If you have problems locating the key please write to
    security-alert@hp.com.  Please note that this key is
    for signing bulletins only and is not the key returned
    by sending 'get key' to security-alert@hp.com.



 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 2003 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 HPSBUX0310-289 SSRT3589 *****]

_______________________________________________________________________________

CIAC wishes to acknowledge the contributions of Hewlett Packard 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,
process, or service by trade name, trademark, manufacturer, or
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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