From brian@saturn.net Fri Aug 9 03:50:07 1996 Received: from janus.saturn.net (root@janus.saturn.net [206.42.0.10]) by suburbia.net (8.7.4/Proff-950810) with ESMTP id DAA06391 for ; Fri, 9 Aug 1996 03:42:47 +1000 Received: from tcpip (tcpip [206.42.2.27]) by janus.saturn.net (8.7.4/8.6.9) with SMTP id NAA16349 for ; Thu, 8 Aug 1996 13:41:20 -0400 Date: Thu, 8 Aug 1996 13:40:11 -0400 (EDT) From: Brian Mitchell X-Sender: brian@tcpip To: Best of Security Subject: RE: Security Bulletins Digest (fwd) Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Brian Mitchell brian@saturn.net "I never give them hell. I just tell the truth and they think it's hell" - H. Truman ---------- Forwarded message ---------- Date: Thu, 8 Aug 1996 05:11:45 -0700 From: HPSL Mail Service To: security_info_9@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. To: support@us.external.hp.com Message Text: send guide ------------------------------------------------------------------------------- To obtain a patch identified within this Security Bulletin, send the following (in the TEXT PORTION OF THE MESSAGE) to the HP SupportLine mail service. To: support@us.external.hp.com Message Text: send xxxxxxxxxxxx (where xxxxxxxxxxxx represents the specified patch name). ------------------------------------------------------------------------------- If you have concerns about security issues, please forward them to: security-alert@hp.com The security-alert node is monitored during working hours Pacific Daylight Time by multiple HP Security Response Team personnel. 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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 Aug 08 03:00:00 1996 PDT ------------------------------------------------------------------------------- Summary of 'Daily Security Bulletins Digest' documents ------------------------------------------------------------------------------- Document Id Description Page 1 ------------------------------------------------------------------------------- HPSBUX9608-037 Security Vulnerability in elm HPSBUX9608-036 Security Vulnerability in rdist =============================================================================== Detailed list of 'Daily Security Bulletins Digest' documents =============================================================================== Document Id: [HPSBUX9608-037] Date Loaded: [08-08-96] Description: Security Vulnerability in elm =============================================================================== ------------------------------------------------------------------------- HEWLETT-PACKARD SECURITY ADVISORY: HPSBUX08-037, 08 August 1996 ------------------------------------------------------------------------- The information in the following Security Advisory 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 Advisory as soon as possible. _________________________________________________________________________ PROBLEM: Vulnerabilities in elm executable. PLATFORM: HP 9000 series 300/400/700/800 systems running any version HP-UX 9.X or 10.X. DAMAGE: User files can be modified by non-owners. When running a restricted shell escapes may be possible. SOLUTION: Apply patch PHCO_7204 (series 300/400,HP-UX 9.X), or PHNE_7342 (series 700/800, HP-UX 9.X), or PHNE_7343 (series 700/800, HP-UX 10.X). AVAILABILITY: All of the patches are available now. For BLS system patch availability please contact your support representative. _________________________________________________________________________ I. elm A. Background Based on information detailed in CERT(sm) Vendor-Initiated Bulletin VB-95:10 Hewlett-Packard has found problems in the version of elm shipped with currently supported HP-UX releases. B. Fixing the problem Hewlett-Packard has created the above patches using the information from the vendor. These vulnerabilities can be eliminated by installing the patches referenced herein. C. Impact of the patch The patches provide a new version of the necessary executables to fix the vulnerability. Installation instructions are contained within the patches. D. To subscribe to automatically receive future NEW HP Security Bulletins from the HP SupportLine mail service via electronic mail, send an email message to: support@us.external.hp.com (no Subject is required) Multiple instructions are allowed in the TEXT PORTION OF THE MESSAGE, here are some basic instructions you may want to use: To add your name to the subscription list for new security bulletins, send the following in the TEXT PORTION OF THE MESSAGE: subscribe security_info To retrieve the index of all HP Security Bulletins issued to date, send the following in the TEXT PORTION OF THE MESSAGE: send security_info_list To get a patch matrix of current HP-UX and BLS security patches referenced by either Security Bulletin or Platform/OS, put the following in the text portion of your message: send hp-ux_patch_matrix World Wide Web service for browsing of bulletins is available via our URL: http://us.external.hp.com Choose "Support news", then under Support news, choose "Security Bulletins" E. To report new security vulnerabilities, send email to security-alert@hp.com Please encrypt 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. ________________________________________________________________________ =============================================================================== Document Id: [HPSBUX9608-036] Date Loaded: [08-08-96] Description: Security Vulnerability in rdist =============================================================================== ------------------------------------------------------------------------- HEWLETT-PACKARD SECURITY BULLETIN: HPSBUX9608-036, 08 Aug 96 ------------------------------------------------------------------------- Hewlett-Packard recommends that 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 rdist only in releases 10.0X, 10.10, & 10.20 of HP-UX. PLATFORM: HP 9000 Series 700 and 800s DAMAGE: A vulnerability in rdist exists allowing local users to gain root privileges. SOLUTION: Apply patches PHNE_8107 (series 700/800, HP-UX 10.00 & 10.01) and PHCO_7798 (series 700/800, HP_UX 10.00 & 10.01) or patch PHNE_7919 (series 700/800, HP-UX 10.10) PHNE_7920 (series 700/800, HP-UX 10.20) AVAILABILITY: All patches are available now, except PHNE_7920 which will be available after 8 August. _______________________________________________________________________ I. rdist Update A. Background A recent CERT advisory (CERT CA-96.14) more fully describes a vulnerability in the rdist utility. It has been found that specific HP-UX 10.XX releases have this vulnerability. B. Fixing the problem The vulnerability can be eliminated from releases 10.0, 10.01, 10.10, and 10.20 of HP-UX by applying the patches mentioned above. HP-UX releases prior to 10.X and after 10.20 (i.e., 10.30) are not vulnerable. Hewlett-Packard recommends that all customers concerned with the security of their HP-UX systems either apply the appropriate patch or change perform the actions described above as soon as possible. C. How to Install the Patch (for HP-UX 10.X) 1. Determine which patch is appropriate for your hardware platform and operating system: Both: PHNE_8107 for series 700/800, HP-UX 10.00 10.01 PHCO_7798 for series 700/800, HP_UX 10.00 10.01 or: PHNE_7919 for series 700/800, HP-UX 10.10 PHNE_7920 for series 700/800, HP-UX 10.20 2. Hewlett Packard's HP-UX patches are available via email and World Wide Web. To obtain a copy of the HP 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 process for downloading HP-UX patches 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 necessary patch(es) to your HP-UX system. 4. Examine /tmp/update.log for any relevant WARNINGs or ERRORs. E. To subscribe to automatically receive future NEW HP Security Bulletins from the HP SupportLine mail service via electronic mail, send an email message to: support@us.external.hp.com (no Subject is required) Multiple instructions are allowed in the TEXT PORTION OF THE MESSAGE, here are some basic instructions you may want to use: To add your name to the subscription list for new security bulletins, send the following in the TEXT PORTION OF THE MESSAGE: subscribe security_info To retrieve the index of all HP Security Bulletins issued to date, send the following in the TEXT PORTION OF THE MESSAGE: send security_info_list To get a patch matrix of current HP-UX and BLS security patches referenced by either Security Bulletin or Platform/OS, put the following in the text portion of your message: send hp-ux_patch_matrix World Wide Web service for browsing of bulletins is available via our URL: http://us.external.hp.com Choose "Support news", then under Support news, choose "Security Bulletins" F. To report new security vulnerabilities, send email to security-alert@hp.com Please encrypt 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. _______________________________________________________________________