HP Tru64 UNIX running AdvFS "showfile" command

Advisory Content :

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01599842
Version: 1

HPSBTU02383 SSRT080098 rev.1 - HP Tru64 UNIX running AdvFS "showfile"
command, LocalGain Extended Privileges

NOTICE: The information in this Security Bulletin should be acted upon as
soon aspossible.

Release Date: 2008-11-05
Last Updated: 2008-11-05

Potential Security Impact: Local gain extended privileges.

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified in the AdvFS
"showfile"command running on HP Tru64 UNIX. The vulnerability could be
exploited by a localuser to gain extended privileges.

References: CVE-2008-4414

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
The following supported software versions are affected:

HP Tru64 UNIX v 5.1B-4
HP Tru64 UNIX v 5.1B-3

BACKGROUND

CVSS 2.0 Base Metrics
===============================================
Reference Base Vector Base Score
CVE-2008-4414 (AV:L/AC:M/Au:S/C:C/I:C/A:C) 6.6
===============================================
Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.

The Hewlett-Packard Company thanks Ilja van Sprundel for reporting this
vulnerabilityto security-alert@hp.com.

RESOLUTION

HP is releasing the following Early Release Patch (ERP) kits publicly for
use by anycustomer until updates are available in mainstream release patch
kits.

The resolutions contained in the ERP kits are targeted for availability in
thefollowing mainstream kit:

HP Tru64 UNIX v 5.1B-5

The ERP kits use dupatch to install and will not install over any Customer
SpecificPatches (CSPs) that have file intersections with the ERPs. Contact
your serviceprovider for assistance if the installation of the ERPs is
blocked by any of yourinstalled CSPs.

The ERP kit provides a patched version of "/usr/sbin/showfile".

HP Tru64 UNIX v 5.1B-4
PREREQUISITE: HP Tru64 UNIX v 5.1B-4 PK6 (BL27)
Name: T64KIT1001551-V51BB27-ES-20081015.tar
Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001551-V
51BB27-ES-20081015
HP Tru64 UNIX v 5.1B-3
PREREQUISITE: HP Tru64 UNIX v 5.1B-3 PK5 (BL26)
Name: T64KIT1001540-V51BB26-ES-20080916.tar
Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001540-V
51BB26-ES-20080916

MD5 checksums are available from the ITRC patch database main page. From
the patchdatabase main page, click Tru64 UNIX, then click verifying MD5
checksums under usefullinks.

PRODUCT SPECIFIC INFORMATION

HISTORY
Version:1 (rev.1) - 5 November 2008 Initial release

Third Party Security Patches: Third party security patches that are to be
installedon systems running HP software products should be applied in
accordance with thecustomer's patch management policy.

Support: For further information, contact normal HP Services support
channel.

Report: To report a potential security vulnerability with any HP supported
product,send Email to: security-alert@hp.com It is strongly recommended
that securityrelated information being communicated to HP be encrypted
using PGP, especiallyexploit information. To get the security-alert PGP
key, please send an e-mailmessage as follows: To: security-alert@hp.com
Subject: get key

Subscribe: To initiate a subscription to receive future HP Security
Bulletins viaEmail:
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USE
NG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC On the web page: ITRC
security bulletinsand patch sign-up Under Step1: your ITRC security
bulletins and patches
- check ALL categories for which alerts are required and continue.
Under Step2: your ITRC operating systems
- verify your operating system selections are checked and save.

To update an existing subscription: http://h30046.www3.hp.com/subSignIn.php

Log in on the web page: Subscriber's choice for Business: sign-in.
On the web page: Subscriber's Choice: your profile summary - use Edit
Profile toupdate appropriate sections.

To review previously published Security Bulletins
visit:http://www.itrc.hp.com/service/cki/secBullArchive.do

* The Software Product Category that this Security Bulletin relates to is
representedby the 5th and 6th characters of the Bulletin number in the
title:

GN = HP General SW
MA = HP Management Agents
MI = Misc. 3rd Party SW
MP = HP MPE/iX
NS = HP NonStop Servers
OV = HP OpenVMS
PI = HP Printing & Imaging
ST = HP Storage SW
TL = HP Trusted Linux
TU = HP Tru64 UNIX
UX = HP-UX
VV = HP VirtualVault

System management and security procedures must be reviewed frequently to
maintainsystem integrity. HP is continually reviewing and enhancing the
security features ofsoftware products to provide customers with current
secure solutions.

"HP is broadly distributing this Security Bulletin in order to bring to the
attentionof users of the affected HP products the important security
information contained inthis Bulletin. HP recommends that all users
determine the applicability of thisinformation to their individual
situations and take appropriate action. HP does notwarrant that this
information is necessarily accurate or complete for all usersituations and,
consequently, HP will not be responsible for any damages resultingfrom
user's use or disregard of the information provided in this Bulletin. To
theextent permitted by law, HP disclaims all warranties, either express or
implied,including the warranties of merchantability and fitness for a
particular purpose,title and non-infringement."

©Copyright 2008 Hewlett-Packard Development Company, L.P.

Hewlett-Packard Company shall not be liable for technical or editorial
errors oromissions contained herein. The information provided is provided
"as is" withoutwarranty of any kind. To the extent permitted by law,
neither HP or its affiliates,subcontractors or suppliers will be liable for
incidental, special or consequentialdamages including downtime cost; lost
profits; damages relating to the procurement ofsubstitute products or
services; or damages for loss of data, or softwarerestoration. The
information in this document is subject to change without
notice.Hewlett-Packard Company and the names of Hewlett-Packard products
referenced hereinare trademarks of Hewlett-Packard Company in the United
States and other countries.Other product and company names mentioned herein
may be trademarks of their respective owners.
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HP Tru64 UNIX running AdvFS "showfile" command