TITLE: HP Tru64 UNIX - SSRT061256: ps Command Local Authorized Disclosure of Information Copyright (c) Hewlett-Packard Company 2007. All rights reserved. PRODUCT: HP Tru64 UNIX [R] V5.1B-4 SOURCE: Hewlett-Packard Company ECO INFORMATION: ECO Name: T64KIT1001143-V51BB27-ES-20070305 ECO Kit Approximate Size: 4.44MB Kit Applies To: HP Tru64 UNIX V5.1B-4 PK6 (BL27) ECO Kit CHECKSUMS: /usr/bin/sum results: 20179 4550 /usr/bin/cksum results: 3653075205 4659200 MD5 results: 44b15d10895cf0606003a572b3310f9a SHA1 results: afdb45366ab0fbdaf0c01d3301368f51dc6792d1 ECO KIT SUMMARY: A dupatch-based, Early Release Patch kit exists for HP Tru64 UNIX V5.1B-4 that contains solutions to the following problem(s): A potential security vulnerability has been identified in the ps command on the HP Tru64 UNIX Operating System. The ps command can be used to disclose information on a process's arguments and environmental variables that might be exploited by a local, authorized user. The Patch Kit Installation Instructions and the Patch Summary and Release Notes documents provide patch kit installation and removal instructions and a summary of each patch. Please read these documents prior to installing patches on your system. The patches in this ERP kit will also be available in the next mainstream patch kit - HP Tru64 UNIX V5.1B-5. INSTALLATION NOTES: 1) Install this kit with the dupatch utility that is included in the patch kit. You may need to baseline your system if you have manually changed system files on your system. The dupatch utility provides the baselining capability. 2) The patch in this ERP kit does not have any file intersections with any other ERP available at this time for this product version. 3) This ERP kit will NOT install over any Customer Specific Patches (CSPs) which have file intersections with this ERP kit. Contact your normal Service Provider for assistance if the installation of this ERP kit is blocked by any of your installed CSPs. INSTALLATION PREREQUISITES: You must have installed HP Tru64 UNIX V5.1B-4 PK6 (BL27) prior to installing this Early Release Patch Kit. SUPERSEDE INFORMATION: None KNOWN PROBLEMS WITH THE PATCH KIT: None. RELEASE NOTES FOR T64KIT1001143-V51BB27-ES-20070305: Release Notes This document summarizes the contents and special instructions for the Tru64 UNIX V5.1B patches contained in this kit. For information about installing or removing patches, baselining, and general patch management, see the Patch Kit Installation Instructions document. 1 Release Notes This Early Release Patch Kit Distribution contains: - fixes that resolve the problem(s) reported in: o SSRT061256 * for Tru64 UNIX V5.1B OSF540.ReleaseNotes.tar (BL27) * for Tru64 UNIX V5.1B T64V51BB27AS0006-20061208.tar (BL27) The patches in this kit are being released early for general customer use. Refer to the Release Notes for a summary of each patch and installation prerequisites. Patches in this kit are installed by running dupatch from the directory in which the kit was untarred. For example, as root on the target system: > mkdir -p /tmp/CSPkit1 > cd /tmp/CSPkit1 > > tar -xpvf DUV40D13-C0044900-1285-20000328.tar > cd patch_kit > ./dupatch 2 Special Instructions SPECIAL INSTRUCTIONS for Tru64 UNIX V5.1B Patch C2047.00 By default, the ps command displays a process's arguments and the ps e command displays a process's environmental variables. You can prevent users from seeing the arguments and environmental variables of other users by enabling variables in the /etc/rc.config.common file as follows: # rcmgr -c set TBL_ARGUMENTS_DISABLE 1 # rcmgr -c set TBL_ENVIRONMENT_DISABLE 1 Root is always able to see other users' arguments and environment variables. 3 Summary of CSPatches contained in this kit Tru64 UNIX V5.1B PatchId Summary Of Fix ---------------------------------------- C2047.00 Fix for SSRT061256, ps 4 Additional information from Engineering None 5 Affected system files This patch delivers the following files: Tru64 UNIX V5.1B Patch C2047.00 ./sbin/ps CHECKSUM: 33540 121 SUBSET: OSFBASE540 ./usr/bin/ps CHECKSUM: 65326 95 SUBSET: OSFBASE540 [R] UNIX is a registered trademark in the United States and other countries licensed exclusively through X/Open Company Limited. Copyright Hewlett-Packard Company 2007. All Rights reserved. This software is proprietary to and embodies the confidential technology of Hewlett-Packard Company. Possession, use, or copying of this software and media is authorized only pursuant to a valid written license from Hewlett-Packard or an authorized sublicensor. This ECO has not been through an exhaustive field test process. Due to the experimental stage of this ECO/workaround, Hewlett-Packard makes no representations regarding its use or performance. The customer shall have the sole responsibility for adequate protection and back-up data used in conjunction with this ECO/workaround.