Operating System:


07 March 2002

Protect yourself against future threats.


             AUSCERT External Security Bulletin Redistribution

              ESB-2002.120 -- HP Support Information Digests
    HPSBUX0202-185 Sec. Vulnerability with HP AdvanceStack hubs (rev.2)
                               8 March 2002


        AusCERT Security Bulletin Summary

Product:                AdvanceStack Switching Hubs
Vendor:                 Microsoft
Operating System:       Firmware version A.03.07 and earlier
Impact:                 Increased Privileges
Access Required:        Remote

Ref:                    ESB-2002.096

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Document ID:  HPSBUX0202-185
Date Loaded:  20020212
      Title:  Sec. Vulnerability with HP AdvanceStack hubs (rev.2)

     Originally issued: 12 Feb. 2002
     Last revised:  5 Mar. 2002

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:  Security vulnerability when managing HP Switching
          Hubs with a web browser.

**REVISED 01**
PLATFORM: HP AdvanceStack J3200A, J3201A, J3202A, J3203A, J3204A,
 --->>    J3205A, J3210A with firmware version A.03.07 and 
 --->>    earlier.

DAMAGE:   Gain elevated privileges

SOLUTION: Until a fix is available, work around the problem as
          documented below.

MANUAL ACTIONS: Disable web access or remove the management IP

AVAILABILITY:  This advisory will be updated when a fix is

A. Background
    The following are vulnerable:

    J3210A -- HP AdvanceStack 10BT Management Pack Module for use
              with HP AdvanceStack Switching Hubs
    J3200A -- HP Advancestack 10Base-T S Hub-12R*
    J3201A -- HP AdvanceStack 10BT-S Hub-12R w/Mgmt
    J3202A -- HP AdvanceStack 10Base-T S Hub-24R*
    J3203A -- HP AdvanceStack 10BT-S Hub-24R w/Mgmt
    J3204A -- HP AdvanceStack 10Base-T S Hub-24T*
    J3205A -- HP AdvanceStack 10BT-S Hub-24T w/Mgmt
  * This product is not affected unless J3210A is installed within.

**REVISED 01**
 -->> The vulnerable firmware version is A.03.07 and earlier.

B. Fixing the problem
   There are two ways to work around the problem:

   1. Disable web access using telnet or RS-232 interface
      a. Telnet or console into switch
      b. Type "me" for menu
      c. Hit "2" for Management Access Configuration
      d. Hit "6" for Web enable/disable (verify it is disabled)

   2. Remove the management IP address
      a. Telnet or console into switch
      b. Type "me" for menu
      c. Hit "2" for Management Access Configuration
      d. Hit "1" for IP Configuration
      e. Hit "Y" to Change the IP configuration
      f. Choose "D" to disable segment
      g. Choose "D" to Disable (and verify it is disabled)
      (Repeat F and G for each IP assigned-segment as necessary.)

    NOTE! Disabling IP while connected via telnet will disconnect
          your session.

C. Recommended solution
   Until a fix is available work around the problem by either
   disabling web access or removing the management IP address.

D. 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


   Use the 'Login' tab at the left side of the screen to login
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   "Register" button at the left to create a login, in order to
   gain access to many areas of the ITRC.  Remember to save the
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   In the left most frame select "Maintenance and Support".

   Under the "Notifications" section (near the bottom of
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   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
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   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:

   The security patch matrix is also available via anonymous


   On the "Support Information Digest Main" page:
   click on the "HP Security Bulletin Archive".

E. 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 security-alert@hp.com.

   Permission is granted for copying and circulating this
   Advisory to Hewlett-Packard (HP) customers (or the Internet
   community) for the purpose of alerting them to problems,
   if and only if, the Advisory 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:  HPSBUX0202-185--------------------------------------

- --------------------------END INCLUDED TEXT--------------------

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