Document ID:  HPSBUX0104-148
Date Loaded:  20010701
      Title:  Sec. Vulnerability in xntpd(1M) (revised 02)

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**REV02**HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0148, 06 Apr. '01
Last Revised: 02 July '01
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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.

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PROBLEM:  The HP-UX NTP daemon (xntpd) contains an exploitable
          vulnerability.

PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.XX and 11.XX.

SOLUTION: Install the appropriate patch as described below.

DAMAGE:   Possible denial of service.

SOLUTION: **REVISED 01**
           Install the appropriate patch for HP-UX releases as
           described below.

           10.01, 10.10, 10.20         PHNE_23717;
--->>      10.24                       PHNE_24076;
           11.00                       PHNE_23697;
--->>      11.04                       PHNE_24077;
           11.11                       PHNE_22722.

AVAILABILITY: All patches are available now.

CHANGE SUMMARY: Rev.01 Patch solution provided.
                Rev.02 VVOS patches identified.
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   A. Background
      A buffer overflow has been discovered on various Unix-derived
      operating systems in its NTP daemon.  Hewlett-Packard Company
      ships xntpd on HP-UX releases and has determined that it too,
      is vulnerable.

**REVISED 02**
   B. Recommended solution
      Hewlett-Packard Company recommends that the following patches
      be installed as appropriate, and that customers look at
      /etc/ntp.conf.exam for suggested configuration information.
      For the following releases of HP-UX, use:

           10.01, 10.10, 10.20         PHNE_23717;
---->>     10.24                       PHNE_24076;
           11.00                       PHNE_23697;
---->>     11.04                       PHNE_24077;
           11.11                       PHNE_22722.


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