TUCoPS :: HP/UX :: ciaci009.txt

HP-UX CDE Vulnerability



                       The U.S. Department of Energy
                    Computer Incident Advisory Capability
                           ___  __ __    _     ___
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                             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

[ 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]

- -------------------------------------------------------------------------
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.
- -------------------------------------------------------------------------
   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:
          (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


      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

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

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This document was prepared as an account of work sponsored by an
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LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC)

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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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