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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2002.691 -- HP Support Information Digest HPSBUX0212-232 SSRT2370 Sec. Vulnerability with ntpd on HP-UX 12 December 2002 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xntpd Vendor: Hewlett-Packard Operating System: HP-UX 10.20 HP-UX 10.24 HP-UX 11.00 HP-UX 11.04 HP-UX 11.11 Platform: HP9000 Series 700 HP9000 Series 800 Impact: Denial of Service - --------------------------BEGIN INCLUDED TEXT-------------------- ----------------------------------------------------------------- Source: HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0212-233 Originally issued: 10 Dec 2002 SSRT2370 Sec. Vulnerability with ntpd on HP-UX ----------------------------------------------------------------- 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. ------------------------------------------------------------------ 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>. ------------------------------------------------------------------ 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 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. ------------------------------------------------------------------ (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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to use any or all of this information is the responsibility of each user or organisation, and should be done so in accordance with site policies and procedures. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author\'s website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your system has been compromised, contact AusCERT or your representative in FIRST (Forum of Incident Response and Security Teams). Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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