TITLE: HP Tru64 UNIX Sendmail Potential Security Vulnerability Copyright (c) Hewlett-Packard Company 2003. All rights reserved. PRODUCT: HP Tru64 UNIX [R] 5.1A SOURCE: Hewlett-Packard Company ECO INFORMATION: ECO Name: T64KIT0020138-V51AB21-ES-20031001 ECO Kit Approximate Size: 2.76MB Kit Applies To: HP Tru64 UNIX 5.1A PK4 (BL21) ECO Kit CHECKSUMS: /usr/bin/sum results: 25251 2830 /usr/bin/cksum results: 1925529708 2897920 MD5 results: b02b2d06747e3f7b1f430db4cacfb35b SHA1 results: e018ee5eb95e49a536443905c6a2aa5c6acc40aa ECO KIT SUMMARY: A dupatch-based, Early Release Patch kit exists for HP Tru64 UNIX 5.1A that contains solutions to the following problem(s): A potential security vulnerability has been identified in sendmail where a buffer overflow could result in a local or remote user gaining unauthorized privileged access. The correction for this vulnerability is being delivered to both the Tru64 UNIX Base OS or as an update to versions of sendmail delivered via Internet Express(IX). The following potential security vulnerability has been corrected: SSRT3631 sendmail (Severity - HIGH) CERT Advisory Reference: CA-2003-25 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 5.1A Patch Kit 6. 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) 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 5.1A PK4 (BL21) prior to installing this Early Release Patch Kit. SUPERSEDED PATCH LIST: This patch kit supersedes the following Tru64 UNIX patch kit: SSRT3531 - T64V51AB21-C0112900-17770-ES-20030402.tar KNOWN PROBLEMS WITH THE PATCH KIT: None. RELEASE NOTES FOR T64KIT0020138-V51AB21-ES-20031001: Release Notes This document summarizes the contents and special instructions for the Tru64 UNIX V5.1A 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 SSRT3631 * for Tru64 UNIX V5.1A T64V51AB21AS0004-20030206.tar (BL21) 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 There are no special instructions for Tru64 UNIX V5.1A Patch C1373.00 3 Summary of CSPatches contained in this kit Tru64 UNIX V5.1A PatchId Summary Of Fix ---------------------------------------- C1373.00 Fix for SSRT3631, sendmail 4 Additional information from Engineering None 5 Affected system files This patch delivers the following files: Tru64 UNIX V5.1A Patch C1373.00 ./usr/sbin/mailq CHECKSUM: 37647 613 SUBSET: OSFBASE520 ./usr/sbin/newaliases CHECKSUM: 37647 613 SUBSET: OSFBASE520 ./usr/sbin/sendmail CHECKSUM: 37647 613 SUBSET: OSFBASE520 ./usr/sbin/sendmail.v8.9.3 CHECKSUM: 37647 613 SUBSET: OSFBASE520 ./usr/sbin/smtpd CHECKSUM: 37647 613 SUBSET: OSFBASE520 [R] UNIX is a registered trademark in the United States and other countries licensed exclusively through X/Open Company Limited. Copyright Hewlett-Packard Company 2003. 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.