Sec. Vulnerability in IPFilter/9000

From: Security Alert (secure@cup.hp.com)
Date: 01/25/02

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    From: secure@cup.hp.com (Security Alert)
Date: 25 Jan 2002 05:49:21 GMT

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        HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0181,
        Originally issued: 23 January 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.

     ------------------------------------------------------------------
    PROBLEM: IPFilter fragment rule bypass vulnerability

    PLATFORM: IPFilter/9000 product running on HP-UX 11.00 or 11.11

    DAMAGE: A malicious user can change IPFilter's handling of packets.

    SOLUTION: Upgrade to IPFilter/9000 version A.03.05.02 or greater

    MANUAL ACTIONS: Install new software version

    AVAILABILITY: IPFilter/9000 version A.03.05.02 is available in the
    following places:
      1) On www.software.hp.com. Go to the "internet & security"
         section to get a free download.
      2) Available on the December 2001 HP-UX Application Release (AR)
         CD. IPFilter/9000 is free and has no codeword protection on
         this CD.
      3) Available as a selectable option on the December 2001 HP-UX
         Operating Environment (OE).

     ------------------------------------------------------------------
    A. Background
       This problem was reported as bugtraq #2545 on the SecurityFocus
       website.

    B. Fixing the problem
       A fix has been made to the Open Source version of ipfilter.
       This fix has been ported to the HP supported version of
       ipfilter (called IPFilter/9000).

    C. Recommended solution
       Upgrade to IPFilter/9000 version A.03.05.02 or greater.

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     ---End of Document ID: HPSBUX0201-181---------------------------

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