TITLE: SSRT2266 HP Tru64 UNIX IGMP Potential DoS Security Vulnerability
 
New Kit Date:       13-NOV-2002
Modification Date:  Not Applicable
Modification Type:  NEW KIT

Copyright (c) Hewlett-Packard Company 2002.  All rights reserved.


PRODUCT:    Tru64 UNIX [R] 5.1
SOURCE:     Hewlett-Packard Company

ECO INFORMATION:

     ECO Name:  T64V51B19-C0153600-15796-ES-20021025
     ECO Kit Approximate Size:  2.2MB 
     Kit Applies To:  Tru64 UNIX 5.1 PK5 (BL19)

     ECO Kit CHECKSUMS:
	/usr/bin/sum results:  
	45357   2150

	/usr/bin/cksum results: 
	1155039056 2201600

	MD5 results:   
	b8c61294a6fef36ecb4d385db8ff9693

	SHA1 results:
	2e07576734eecd00a0e500b47e681f255dc58f99


ECO KIT SUMMARY:

A dupatch-based, Early Release Patch kit exists for Tru64 UNIX 5.1 that
contains solutions to the following problem(s):

  A potential security vulnerability has been identified in the HP Tru64 UNIX
  operating system that may result in a Denial of Service (DoS). This potential
  vulnerability may be in the form of local and remote security domain risks.

  The following potential vulnerability has been corrected:

	o  SSRT2266  IGMP  (Severity - High)

  IGMP = Internet Group Management Protocol


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 SSRT2266 patch will also be available in Tru64 UNIX 5.1 Patch Kit 7.


INSTALLATION NOTES:

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.


INSTALLATION PREREQUISITES:

You must have installed Tru64 UNIX 5.1 PK5 (BL19) prior to installing 
this Early Release Patch Kit.


KNOWN PROBLEMS WITH THE PATCH KIT:

None.


RELEASE NOTES FOR T64V51B19-C0153600-15796-ES-20021025:

1 Release Notes

This Early Release Patch Kit Distribution contains:

   - fixes that resolve the problem(s) reported in: 
        o 94433 SSRT2266 
             * for Tru64 UNIX V5.1 T64V51B19AS0005-20020411.tar (BL19)

 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
	> <copy the kit to /tmp/CSPkit1>
	> tar -xpvf DUV40D13-C0044900-1285-20000328.tar
	> cd patch_kit
	> ./dupatch

2 Special Instructions

There are no special instructions for Tru64 UNIX V5.1 Patch C1536.00


3 Summary of CSPatches contained in this kit


Tru64 UNIX V5.1

PatchId			Summary Of Fix
----------------------------------------
C1536.00			Fix for SSRT2266, IGMP


4 Additional information from Engineering

None


5 Affected system files
This patch delivers the following files:

Tru64 UNIX V5.1
	Patch C1536.00
		./sys/BINARY/inet.mod
			CHECKSUM:	53001 503
			SUBSET:	OSFBIN510

[R] UNIX is a registered trademark in the United States and other countries 
licensed exclusively through X/Open Company Limited.

Copyright Hewlett-Packard Company 2002.  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.