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ESB-2003.0036 -- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0206-195 -- Sec. Vulnerability in OpenSSH on HP-UX (Rev. 3)

Date: 21 January 2003
References: ESB-2002.321  

Click here for printable version
Click here for PGP verifiable version
-----BEGIN PGP SIGNED MESSAGE-----

===========================================================================
             AUSCERT External Security Bulletin Redistribution

        ESB-2003.0036 -- HEWLETT-PACKARD COMPANY SECURITY BULLETIN:
                              HPSBUX0206-195
              Sec. Vulnerability in OpenSSH on HP-UX (Rev. 3)
                              21 January 2003

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:                OpenSSH
Vendor:                 Hewlett-Packard
Operating System:       HP-UX 11.11
                        HP-UX 11.00
Platform:               HP 9000
Impact:                 Increased Privileges
                        Execute Arbitrary Code/Commands
Access Required:        Remote

Ref:                    ESB-2002.321
                        AL-2002.05
                        AA-2002.05

- --------------------------BEGIN INCLUDED TEXT--------------------

 -----------------------------------------------------------------
**REVISED 03**
 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN:   HPSBUX0206-195
 Originally issued: 27 June 2002
 Last Revised: 17 January 2003

 -----------------------------------------------------------------

The information in the following Security Advisory 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 Advisory as
soon as possible.

 ------------------------------------------------------------------
PROBLEM:  OpenSSH input validation errors can cause faults from
          remote hosts in SSH protocol version 2.

PLATFORM: HP 9000 Servers running HP-UX release 11.00, and 11.11
          only with the T1471AA HP-UX Secure Shell product 
          installed.

DAMAGE:   Possible privilege increases, from remote locations.

**REVISED 01**
SOLUTION: A new binary has been prepared and is available.

**REVISED 03**
MANUAL ACTIONS: Yes - Update
- -->>            Install new binary version A.03.10.002 or 
                subsequent, which can be
                found on <www.software.hp.com>
                under "Internet and Security solutions".

AVAILABILITY: The new HP-UX Secure Shell binary is available now 
              (see below).
CHANGE SUMMARY: Revision 01 new binary available
                Revision 02 modify MANUAL ACTIONS field
                Revision 03 correct version, should be
                            A.03.10.002 
 ------------------------------------------------------------------
A. Background
    Pursuant to the CERT Advisory CA-2002-18 on OpenSSH,
    Hewlett-Packard Company has learned of a defect in the
    code in SSH, product number T1471AA.


**REVISED 01**
B. Fixing the problem
- --> HP has produced new binaries for its version which is based on
- --> OpenSSH release 3.1p1, its newest version of HP-UX Secure Shell
- --> (A.03.10.002).
- --> To retrieve this free software go to <www.software.hp.com>, under
- --> "Internet and Security solutions".

- --> NOTE: While Virtualvault 4.6 includes OpenSSH version 3, it does
- -->       not have the vulnerability mentioned in the CERT CA-2002-18.


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://ftp.itrc.hp.com/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 INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content.  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.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  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/render.html?cid=1980

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 7031
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 member emergencies only.

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