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              AUSCERT External Security Bulletin Redistribution

                             
           ESB-97.139 -- Hewlett-Packard Security Advisory: #00072
             Security Vulnerability in CDE on HP-UX 10.0[1,2,3]
                               30 October 1997

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Hewlett-Packard has released the following advisory concerning a vulnerability
in CDE under HP-UX 10.10, 10.20, and 10.30.  This vulnerability may allow
users to increase privileges.

The following security bulletin is provided as a service to AUSCERT's
members.  As AUSCERT did not write this document, AUSCERT has had no
control over its content.  As such, the decision to use any or all of this
information is the responsibility of each user or organisation, and should
be done so in accordance with site policies and procedures.

Contact information for HP is included in the Security Bulletin below.
If you have any questions or need further information, please contact them
directly.

Previous advisories and external security bulletins can be retrieved from:

	http://www.auscert.org.au/information/advisories.html

If you believe that your system has been compromised, contact AUSCERT or your
representative in FIRST (Forum of Incident Response and Security Teams).

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 4477
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
	AUSCERT personnel answer during Queensland business hours
	which are GMT+10:00 (AEST).
	On call after hours for emergencies.


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          HEWLETT-PACKARD SECURITY BULLETIN: #00072, 29 Oct 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, 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.
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I.
   A. Background - Several buffer overflow conditions have been
                   identified in the Common Desktop Environment (CDE).


   B. Fixing the problem - Install the applicable patches:

      PHSS_12137    10.10 CDE Runtime
      PHSS_12138    10.20 CDE Runtime
      PHSS_12139    10.20 CDE Developer's Kit
      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.
________________________________________________________________________
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