From aleph1@DFW.NET Tue Oct 21 07:52:34 1997 Date: Wed, 1 Oct 1997 10:29:16 -0500 From: Aleph One To: BUGTRAQ@NETSPACE.ORG Subject: Security Bulletin for telnet services in HP-UX rel. 10.30 ---------- Forwarded message ---------- Date: Wed, 1 Oct 1997 05:05:31 -0700 From: HP Electronic Support Center To: security_info@us-support.external.hp.com Subject: Security Bulletins Digest HP Support Information Digests =============================================================================== o HP Electronic Support Center World Wide Web Service --------------------------------------------------- If you subscribed through the HP Electronic Support Center and would like to be REMOVED from this mailing list, access the HP Electronic Support Center on the World Wide Web at: http://us-support.external.hp.com Enter the Support Information Digests service as a registered user, using your HP Electronic Support Center User ID and Password to login. You may then unsubscribe from the appropriate digest. =============================================================================== Digest Name: Daily Security Bulletins Digest Created: Wed Oct 1 4:30:03 PDT 1997 Table of Contents: Document ID Title --------------- ----------- HPSBUX9710-070 Security Bulletin for telnet services in HP-UX rel. 10.30 The documents are listed below. ------------------------------------------------------------------------------- Document ID: HPSBUX9710-070 Date Loaded: 971001 Title: Security Bulletin for telnet services in HP-UX rel. 10.30 ------------------------------------------------------------------------- HEWLETT-PACKARD SECURITY BULLETIN: #00070, 1 Oct. 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: Potential denial of service (DOS) attack via the telnet service PLATFORM: HP 9000 Series 700/800s running HP-UX release 10.30 DAMAGE: Denial of Service on systems running HP-UX release 10.30. SOLUTION: Apply the following patch: PHNE_12608 for HP-UX release 10.30 AVAILABILITY: The patch is available now. ------------------------------------------------------------------------- I. A. Background Hewlett-Packard Company has discovered a defect in the telnet service provided with HP-UX release 10.30. Under some circumstances this defect could be used to cause a denial of service on the destination HP-UX release 10.30 system. B. Fixing the problem Install patch PHNE_12608 on all HP-UX release 10.30 systems. C. Recommended solution The patch is a cumulative patch and and fully fixes the discovered vulnerability. D. 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