Published:
09 July 1997
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-97.084 -- REVISED 01 Hewlett-Packard Security Bulletin #0004 MPE/iX Sec. Vulnerability with ICMP Echo Request (ping) 10 July 1997 =========================================================================== Hewlett-Packard has released the following advisory concerning a vulnerability in the incoming ICMP Echo Request (ping) packets. This vulnerability may allow external users to cause a system abort. This following security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write this document, AUSCERT has had no control over its content. As such, 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. Contact information for HP is included in the Security Bulletin below. If you have any questions or need further information, please contact them directly. 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 4477 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AUSCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for emergencies. - --------------------------BEGIN INCLUDED TEXT-------------------- - ------------------------------------------------------------------------------- Document ID: HPSBMP9703-004 Date Loaded: 970709 Title: MPE/iX Sec. Vulnerability with ICMP Echo Request (ping) - ------------------------------------------------------------------------- **REVISED 01**HEWLETT-PACKARD SECURITY BULLETIN: (MPE/iX) #0004, 12 Mar 97 LAST CHANGE: 08 July 1997 - ------------------------------------------------------------------------- The information in the following Security Bulletin should be acted upon as soon as possible. Hewlett Packard 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: Vulnerability with specific incoming ICMP Echo Request (ping) packets. PLATFORM: All HP3000 Series 900 systems running MPE/iX Release 5.0 and newer. DAMAGE: Vulnerability makes it possible for an external user to cause a system abort. **REVISED 01** SOLUTION: Apply patch NSTEDN1A to systems running MPE/iX Release 5.0 and its Powerpatches (C.50.00 through C.50.06). Apply patch NSTEDL8A to systems running MPE/iX Release 5.5 and its Powerpatches (C.55.00 through C.55.02). **REVISED 01** AVAILABILITY: All patches are available now. CHANGE SUMMARY: Updated patch ID for MPE/iX Release 5.0; New patch available for MPE/iX Release 5.5. - ------------------------------------------------------------------------- I. A. Background A mailing list disclosure described a vulnerability in which specific, illegally formatted, incoming ICMP Echo Request (ping) traffic could cause a system abort on HP3000 systems. B. Recommended solution The system administrator needs to obtain and apply the patches mentioned above. C. Fixing the problem 1. Obtain the patch Obtain the appropriate patch from the HP Electronic Support Center, URL: http://us-support.external.hp.com (US,Canada, Asia-Pacific, and Latin America) http://europe-support.external.hp.com (Europe) Follow the "Patch Database" hyperlink from the HP Electronic Support Center home page. 2. Apply the patch MPE/iX patches are unpacked using the UNPACKP script. UNPACKP runs the MOVER utility to unload the truck file for the patch. Hyperlinks for the UNPACKP script and the MPE Patch Installation Guide are located on the main page for MPE/iX patches on HP Electronic Support Center. You need MOVER version A.00.02, EOF (end-of-file) 635, to unload MPE/iX patches. You can download this version of MOVER from the HP3000 Web Server at http://jazz.external.hp.com. Follow the Shareware and Sources & Binaries hyperlinks. D. To subscribe to automatically receive future NEW HP Security Bulletins from the HP SupportLine Digest service via electronic mail, do the following: 1) From your Web browser, access the URL: http://us-support.external.hp.com (for US,Canada, Asia-Pacific, and Latin-America) http://europe-support.external.hp.com (for Europe) 2) On the HP Electronic Support Center main screen, select the hyperlink "Support Information Digests". 3) On the "Welcome to HP's Support Information Digests" screen, under the heading "Register Now", select the appropriate hyperlink "Americas and Asia-Pacific", or "Europe". 4) On the "New User Registration" screen, fill in the fields for the User Information and Password and then select the button labeled "Submit New User". 5) On the "User ID Assigned" screen, select the hyperlink "Support Information Digests". ** Note what your assigned user ID and password are for future reference. 6) You should now be on the "HP Support Information Digests Main" screen. You might want to verify that your e-mail address is correct as displayed on the screen. From this screen, you may also view/subscribe to the digests, including the security bulletins digest. E. 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. _______________________________________________________________________ - -----End of Document ID: HPSBMP9703-004-------------------------------------- - --------------------------END INCLUDED TEXT-------------------- -----BEGIN PGP SIGNATURE----- Version: 2.6.3i Charset: noconv Comment: ftp://ftp.auscert.org.au/pub/auscert/AUSCERT_PGP.key iQCVAwUBM8ZlAyh9+71yA2DNAQE6YAP/YdLoz6pi6dUDwH1Ero21J90mM4O48Bd1 dJroGBdgwdXAfzqUDlfWlYFOSzD8ylKI7tGwvHSBMkv3yaOUy78sULpDNLDzBy+B J8L8cwuVNID/oJL0KGRZjetaVbb6mIZwAo8EgvJYWcnH/RyM0GzAj2Lk7DeLqrFn QoABCZgrgGI= =wJjY -----END PGP SIGNATURE-----