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**REVISED 01**
Source: HEWLETT-PACKARD COMPANY
SECURITY BULLETIN: HPSBUX0212-232
Originally issued: 10 Dec 2002
Last revision: 11 Dec 2002
SSRT2370 Sec. Vulnerability with ntpd on HP-UX
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NOTICE: There are no restrictions for distribution of this Bulletin
provided that it remains complete and intact.
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: xntpd software may HANG or exhibit extremely poor
performance.
IMPACT: Potential denial of service (DoS).
PLATFORM: HP 9000 Series 700 and 800 running HP-UX releases 10.20,
10.24, 11.00, 11.04 and 11.11 using the xntpd software.
SOLUTION: Retrieve and apply the following patches:
for HP-UX 10.20: PHNE_24510
for HP-UX 10.24(VVOS): PHNE_28002
for HP-UX 11.00: PHNE_27223
for HP-UX 11.04(VVOS): PHNE_27442
for HP-UX 11.11: PHNE_24512
MANUAL ACTIONS: No
AVAILABILITY: All patches are currently available from
<itrc.hp.com>.
CHANGE SUMMARY: Rev.01 Corrected bulletin numbering to be -232
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A. Background
Some HP-UX systems running the latest xntpd software may HANG
or exhibit extremely poor performance.
B. Recommended solution
HP has made available a patch to upgrade NTP timeservices.
Retrieve and apply the following patches to affected systems.
for HP-UX 10.20: PHNE_24510
10.24(VVOS): PHNE_28002
11.00: PHNE_27223
11.04(VVOS): PHNE_27442
11.11: PHNE_24512
The patches do not require a reboot. The problem is fixed in
HP-UX release 11.22.
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
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)
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(c) Copyright 2002 Hewlett-Packard Company
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
in this document is subject to change without notice.
Hewlett-Packard Company and the names of HP products referenced
herein are trademarks and/or service marks of Hewlett-Packard
Company. Other product and company names mentioned herein may be
trademarks and/or service marks of their respective owners.
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Yours truly,
HP S/W Security Team
WTEC Cupertino, California