From ciac@rumpole.llnl.gov Wed Apr 28 14:47:33 1999 From: CIAC Mail User To: ciac-bulletin@rumpole.llnl.gov Date: Mon, 26 Apr 1999 14:46:41 -0700 (PDT) Subject: CIAC Bulletin J-040: HP-UX Security Vulnerability in sendmail [ For Public Release ] -----BEGIN PGP SIGNED MESSAGE----- __________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN HP-UX Security Vulnerability in sendmail April 26, 1999 17:00 GMT Number J-040 ___________________________________________________________________________ PROBLEM: sendmail release 8.8.6 causes Denial of Service failures. PLATFORM: HP 9000 Series 700/800 Servers running HP-UX 10.20 and 11.00 DAMAGE: Users can initiate a Denial of Service. SOLUTION: Apply the publicly available patches. ___________________________________________________________________________ VULNERABILITY The risk is high. The HP bulletin states that this should be ASSESSMENT: done as soon as possible. ___________________________________________________________________________ [Start of Hewlett-Packard bulletin] Document ID: HPSBUX9904-097 Date Loaded: 19990419 Title: Security Vulnerability in sendmail - ------------------------------------------------------------------------- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #00097, 20 April 1999 - ------------------------------------------------------------------------- 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: sendmail release 8.8.6 causes Denial of Service failures. PLATFORM: HP 9000 Series 700/800 Servers running HP-UX 10.20 and 11.00 DAMAGE: Users can initiate a Denial of Service. SOLUTION: Apply the patches listed below. AVAILABILITY: All patches are available now. - ------------------------------------------------------------------------- I. A. Background Hewlett-Packard Company HP9000 Series 700/800 systems that are running sendmail release 8.8.6 accept connections sub-optimally, which cause security problems. Public domain fixes now in sendmail 8.9.3 have been ported to HP-UX sendmail 8.8.6 release patch. B. Fixing the problem For HP-UX releases prior to 10.20, upgrade from sendmail 5.65 to sendmail release 8.8.6. See www.software.hp.com For HP-UX release 10.20: PHNE_17135; For HP-UX release 11.00: PHNE_17190. C. To subscribe to automatically receive future NEW HP Security Bulletins or access the HP Electronic Support Center, use your browser to get to our ESC web page at: http://us-support.external.hp.com (for non-European locations), or http://europe-support.external.hp.com (for Europe) Login with your user ID and password (or register for one). Remember to save the User ID/password assigned to you. Once you are in the Main Menu: To -subscribe- to future HP Security Bulletins, click on "Support Information Digests". To -review Security bulletins already released-, click on the "Search Technical Knowledge Database." To -retrieve patches-, click on "Individual Patches" and select appropriate release and locate with the patch identifier (ID). To -browse the HP Security Bulletin Archive-, select the link at the bottom of the page once in the "Support Information Digests". To -view the Security Patch Matrix-, (updated daily) which categorizes security patches by platform/OS release, and by bulletin topic, go to the archive (above) and follow the links. The security patch matrix is also available via anonymous ftp: us-ffs.external.hp.com or ~ftp/export/patches/hp-ux_patch_matrix 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. 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: HPSBUX9904-097----------------------------------- [End of Hewlett-Packard bulletin] ___________________________________________________________________________ CIAC wishes to acknowledge the contributions of Hewlett-Packard Company for the information contained in this bulletin. ___________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. 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Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. 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LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) J-030: Microsoft BackOffice Vulnerability J-031: Debian Linux "Super" package Buffer Overflow J-032: Windows Backdoors Update II: J-033: SGI X Server Font Path Vulnerability J-034: Cisco 7xx TCP and HTTP Vulnerabilities J-035: Linux Blind TCP Spoofing J-036: LDAP Buffer overflow against Microsoft Directory Services J-037: W97M.Melissa Word Macro Virus J-038: HP-UX Vulnerabilities (hpterm, ftp) J-039: HP-UX Vulnerabilities (MC/ServiceGuard & MC/LockManager, DES -----BEGIN PGP SIGNATURE----- Version: 4.0 Business Edition iQCVAwUBNySJe7nzJzdsy3QZAQHNBwP/c9SF9GjFRwhkNjYdr6Hs7eyAdh23JoKE jcWLPR3qIdBg/uENXqe6Jz+G9t5V4qORE592wi+KgLNuLypm2A4wHmJS7Agdb8Pt DilC6Kh5VRGUtn+TknLRLcj1DsHpTnaJ5cmN3ozvqX1H566xfn2jexWSuHujECH3 fz8VGVHwfpE= =7fHx -----END PGP SIGNATURE-----