[Image] [Image] Document HPSBUX9608-037 ---------------------------------------------------------------------------- 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. ________________________________________________________________________ [Image] [Image]