From support@us.external.hp.com Thu Feb 13 10:27:23 1997 Date: Thu, 13 Feb 1997 04:09:45 -0800 From: HPSL Mail Service Reply-To: support-feedback@us.external.hp.com To: security_info_4@us.external.hp.com Subject: RE: Security Bulletins Digest -------- =============================================================================== ***HP SupportLine Mail Service Notice*** This digest contains a summary of all newly received Security Bulletins. You do not have to have any form of support from Hewlett-Packard to subscribe to this digest or to procure the recommended patches via the HP SupportLine mail service. ------------------------------------------------------------------------------- To obtain a copy of the HP SupportLine mail service user's guide, send the following (in the TEXT PORTION OF THE MESSAGE to) to the HP SupportLine mail service. 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To: support@us.external.hp.com Message Text: unsubscribe security_info =============================================================================== Digest Name: security_info Description: Daily Security Bulletins Digest Created: Thu Feb 13 03:00:03 1997 PST ------------------------------------------------------------------------------- Summary of 'Daily Security Bulletins Digest' documents ------------------------------------------------------------------------------- Document Id Description Page 1 ------------------------------------------------------------------------------- HPSBUX9702-053 Security Vulnerability in the ppl executable =============================================================================== Detailed list of 'Daily Security Bulletins Digest' documents =============================================================================== Document Id: [HPSBUX9702-053] Date Loaded: [02-13-97] Description: Security Vulnerability in the ppl executable =============================================================================== ------------------------------------------------------------------------- HEWLETT-PACKARD SECURITY BULLETIN: #00053, 13 February 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: Security Vulnerability in [/usr]/bin/ppl PLATFORM: HP 9000 Series 700/800s running HP-UX releases 9.X & 10.X DAMAGE: Vulnerabilities exist allowing local users to gain root privileges. SOLUTION: Apply patch: PHNE_9378 for all platforms with HP-UX releases 9.X PHNE_9375 for all platforms with HP-UX releases 10.00/10.01 PHNE_9376 for all platforms with HP-UX releases 10.10 PHNE_9771 for all platforms with HP-UX releases 10.20 AVAILABILITY: All patches are available now. ------------------------------------------------------------------------- I. A. Background A vulnerability with the ppl executable ([/usr]/bin/ppl) has been discovered. The fileset affected is Networking.SLIP-RUN. B. Fixing the problem The vulnerability can be eliminated from HP-UX releases 9.X and 10.X by applying the appropriate patch. C. Recommended solution 1. Determine which patch is appropriate for your operating system. 2. Hewlett-Packard's HP-UX patches are available via email and the World Wide Web To obtain a copy of the Hewlett-Packard SupportLine email service user's guide, send the following in the TEXT PORTION OF THE MESSAGE to support@us.external.hp.com (no Subject is required): send guide The users guide explains the HP-UX patch downloading process via email and other services available. World Wide Web service for downloading of patches is available via our URL: (http://us.external.hp.com) 3. Apply the patch to your HP-UX system. 4. Examine /tmp/update.log (9.X), or /var/adm/sw/swinstall.log (10.X), for any relevant WARNING's or ERROR's. D. Impact of the patch The patches for HP-UX releases 9.X and 10.X provide enhancements to the ppl executable to avoid this vulnerability. E. 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