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TUCoPS :: HP/UX :: bt114.txt

kermit buffer overflow on hp-ux





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Re: buffer overflow in kermit

We were unable to duplicate the buffer overflow reported  by
bt@delfi.lt when the patches recommended in the following
security bulletin are installed.

 
- ----------------------------------------------------------------------
**REVISED 02**
 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN:  HPSBUX0012-135
 Originally issued: 18 December 2000
 Last Revised: 26 December 2002

 
- ----------------------------------------------------------------------
    The information in the following Security Bulletin 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 Bulletin as soon as possible.
 
- ----------------------------------------------------------------------
ISSUE:  Kermit communications software contains a buffer overflow.

PLATFORM:  HP9000 Series 700 and 800 running HP-UX releases 11.00,
           10.20, 10.10 and 10.01.

POSSIBLE RESULT: Users could compromise system availability.

SOLUTION: *REVISED01*
           Apply patches for HP-UX releases as follows:
                 for 11.00:           PHCO_22665 ,
   --->>>            10.20:           PHCO_23319 ,
   --->>>            10.10:           PHCO_23320 ,
   --->>>            10.01:           PHCO_23321.

AVAILABILITY: The patches are available now.

**REVISED 02**
MANUAL ACTIONS: No

CHANGE SUMMARY: Revision 01 Patches for 10.X are
                            built on current code base.
                Revision 02 add MANUAL ACTIONS field
 
- ----------------------------------------------------------------------
I.
    A. Background
       Hewlett-Packard Company has become aware of a defect in the
       Kermit communications software supplied with its operating
       system in various releases.

    B. Fixing the problem *REVISED01*
       The problem can be fully resolved by applying the appropriate
       patches to the system. For HP-UX releases
                     11.00:           PHCO_22665 ,
   --->>>            10.20:           PHCO_23319 ,
   --->>>            10.10:           PHCO_23320 ,
   --->>>            10.01:           PHCO_23321.

       While this patch does not require a reboot, appropriately
       terminating any instances of Kermit before installation of the
       patch will assure that continued operation with Kermit is now
       with the patched binaries.

    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

       Under the Maintenance and Support Menu (Electronic Support
       Center):  click on the "more..." link.  Then -

       Use the 'Login' tab at the left side of the screen to login
       using your ID and password.  Check with your system
       administrator to see if you have an existing login or use
       the "Register" button at the left to create a login.  You
       will need to login in order to gain access to many areas of
       the ITRC. Remember to save the User ID assigned to you, and
       your password.

       Under the Maintenance and Support Menu, click on the "more..."
       link.  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 "hp security bulletins archive" near the bottom.
       Once in the archive the top link is to our current Security
       Patch Matrix.  Updated daily, this matrix categorizes security
       patches by platform/OS release, and by bulletin topic.

       The security patch matrix is also available via anonymous ftp:

       ftp.itrc.hp.com
       ~ftp/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.
______________________________________________________________________


Yours truly,
 SOFTWARE SECURITY RESPONSE TEAM (SSRT)
 Hewlett-Packard Company
 HP Services

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