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TUCoPS :: HP/UX :: ciaci009.txt

HP-UX CDE Vulnerability




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             __________________________________________________________

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

                             INFORMATION BULLETIN

                            HP-UX CDE Vulnerability


November 6, 1997 19:00 GMT                                       Number I-009a
______________________________________________________________________________
PROBLEM:       A vulnerability exists in the suid/sgid CDE programs.
PLATFORM:      HP9000 series 700/800, HP-UX releases 10.10, 10.20, 10.24
               and 10.30.
DAMAGE:        If exploited, this vulnerability may cause a buffer overflow in
               CDE and possibly increase privileges.
SOLUTION:      Install the patches listed below and relink any programs linked
               with archived CDE libraries.
______________________________________________________________________________
VULNERABILITY  Hewlett-Packard recommends that the information in the
ASSESSMENT:    following Security Bulletin should be acted upon as soon as
               possible.
______________________________________________________________________________

[ Update to I-009 on November 6, 1997 with addition patch information]
[ Start Hewlett-Packard Advisory ]

Document ID:  HPSBUX9710-072
Date Loaded:  971106
      Title:  Sec. Vulnerability in CDE on HP-UX 10.[10, 20, 24, 30]

- -------------------------------------------------------------------------
**REVISED 01** HEWLETT-PACKARD SECURITY BULLETIN: #00072, 29 Oct. 1997
Last Revised: 6 November 1997
- -------------------------------------------------------------------------

The information in the following Security Bulletin should be acted upon
as soon as possible.  Hewlett-Packard 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:  Buffer overflows in CDE.

PLATFORM: HP9000 series 700/800, HP-UX releases 10.10, 10.20, 10.24,
          and 10.30.

DAMAGE:   suid/sgid CDE programs can be exploited to increase privileges.


SOLUTION: Install the patches listed below and relink any programs
            linked with archived CDE libraries.

AVAILABILITY:  All patches are available now.

CHANGE SUMMARY: Added patch for HP-UX release 10.24.
- -------------------------------------------------------------------------
I.
   A. Background - Several buffer overflow conditions have been
                   identified in the Common Desktop Environment (CDE).

   B. Fixing the problem - Install the applicable patches:
**REVISED 01**

      PHSS_12137    10.10 CDE Runtime
      PHSS_12138    10.20 CDE Runtime
      PHSS_12139    10.20 CDE Developer's Kit
- --->> PHSS_13046    10.24 CDE Runtime
      PHSS_12151    10.30 CDE Runtime
      PHSS_12152    10.30 CDE Developer's Kit

      NOTE: CDE was not offered on 10.0 and 10.01 releases of HP-UX.

   C. Recommended solution - Install the applicable patches and
      relink archived suid/sgid programs.

   D. Impact of the patch - The patch corrects buffer overflow conditions.


   E. To subscribe to automatically receive future NEW HP Security
      Bulletins from the HP Electronic Support Center via electronic
      mail, do the following:

     Use your browser to get to the HP Electronic Support Center page at:
            http://us-support.external.hp.com
          (for US, Canada, Asia-Pacific, & Latin-America)

            http://europe-support.external.hp.com   (for Europe)

     Click on the Technical Knowledge Database, register as a user
     (remember to save the User ID assigned to you, and your password),
     and it will connect to a HP Search Technical Knowledge DB page.
     Near the bottom is a hyperlink to our Security Bulletin archive.
     Once in the archive there is another link to our current
     security patch matrix. Updated daily, this matrix is categorized
     by platform/OS release, and by bulletin topic.

   F. 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:  HPSBUX9710-072--------------------------------------
[ End Hewlett-Packard Advisory ]

______________________________________________________________________________

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:    +1 510-422-8193
    FAX:      +1 510-423-8002
    STU-III:  +1 510-423-2604
    E-mail:   ciac@llnl.gov

For emergencies and off-hour assistance, DOE, DOE contractor sites,
and the NIH may contact CIAC 24-hours a day. During off hours (5PM -
8AM PST), call the CIAC voice number 510-422-8193 and leave a message,
or call 800-759-7243 (800-SKY-PAGE) to send a Sky Page. CIAC has two
Sky Page PIN numbers, the primary PIN number, 8550070, is for the CIAC
duty person, and the secondary PIN number, 8550074 is for the CIAC
Project Leader.

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

   World Wide Web:      http://ciac.llnl.gov/
   Anonymous FTP:       ciac.llnl.gov (198.128.39.53)
   Modem access:        +1 (510) 423-4753 (28.8K baud)
                        +1 (510) 423-3331 (28.8K baud)

CIAC has several self-subscribing mailing lists for electronic
publications:
1. CIAC-BULLETIN for Advisories, highest priority - time critical
   information and Bulletins, important computer security information;
2. SPI-ANNOUNCE for official news about Security Profile Inspector
   (SPI) software updates, new features, distribution and
   availability;
3. SPI-NOTES, for discussion of problems and solutions regarding the
   use of SPI products.

Our mailing lists are managed by a public domain software package
called Majordomo, which ignores E-mail header subject lines. To
subscribe (add yourself) to one of our mailing lists, send the
following request as the E-mail message body, substituting
ciac-bulletin, spi-announce OR spi-notes for list-name:

E-mail to       ciac-listproc@llnl.gov or majordomo@tholia.llnl.gov:
        subscribe list-name
  e.g., subscribe ciac-bulletin

You will receive an acknowledgment email immediately with a confirmation
that you will need to mail back to the addresses above, as per the
instructions in the email.  This is a partial protection to make sure
you are really the one who asked to be signed up for the list in question.

If you include the word 'help' in the body of an email to the above address,
it will also send back an information file on how to subscribe/unsubscribe,
get past issues of CIAC bulletins via email, etc.

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.

LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC)

H-108: SunOS, Solaris libX11 Buffer Overflow Vulnerability
H-109: Solaris DCE and AFS Integrated login Vulnerability
H-110: Samba Servers Vulnerability
I-001: HP-UX Denial of Service via telnet Vulnerability
I-002: Cisco CHAP Authentication Vulnerability
I-003: HP-UX mediainit(1) Vulnerability
I-004: NEC/UNIX "nosuid" mount option Vulnerability
I-006: IBM AIX "xdat" Buffer Overflow Vulnerability
I-007: Sun Solaris Vulnerabilies (nis_cachemgr, ftpd/rlogind, sysdef)
I-008: Open Group OSF/DCE Denial-of-Service Vulnerability



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