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AUSCERT External Security Bulletin Redistribution
ESB-2008.1025 -- [Tru64]
HP Tru64 UNIX running AdvFS "showfile" command, Local Gain
7 November 2008
AusCERT Security Bulletin Summary
Operating System: HP Tru64 UNIX v 5.1B-4
HP Tru64 UNIX v 5.1B-3
Impact: Increased Privileges
Access: Existing Account
CVE Names: CVE-2008-4414
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c01599842
HPSBTU02383 SSRT080098 rev.1 - HP Tru64 UNIX running AdvFS "showfile" command,
Local Gain Extended Privileges
NOTICE: The information in this Security Bulletin should be acted upon as soon
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
A potential security vulnerability has been identified in the AdvFS "showfile"
command running on HP Tru64 UNIX. The vulnerability could be exploited by a
local user to gain extended privileges.
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
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
vulnerability to email@example.com.
HP is releasing the following Early Release Patch (ERP) kits publicly for use
by any customer until updates are available in mainstream release patch kits.
The resolutions contained in the ERP kits are targeted for availability in the
following mainstream kit:
HP Tru64 UNIX v 5.1B-5
The ERP kits use dupatch to install and will not install over any Customer
Specific Patches (CSPs) that have file intersections with the ERPs. Contact
your service provider for assistance if the installation of the ERPs is
blocked by any of your installed 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)
HP Tru64 UNIX v 5.1B-3
PREREQUISITE: HP Tru64 UNIX v 5.1B-3 PK5 (BL26)
MD5 checksums are available from the ITRC patch database main page. From the
patch database main page, click Tru64 UNIX, then click verifying MD5 checksums
under useful links.
PRODUCT SPECIFIC INFORMATION
Version:1 (rev.1) - 5 November 2008 Initial release
Third Party Security Patches: Third party security patches that are to be
installed on systems running HP software products should be applied in
accordance with the customer'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: firstname.lastname@example.org
It is strongly recommended that security related information being
communicated to HP be encrypted using PGP, especially exploit information.
To get the security-alert PGP key, please send an e-mail message as follows:
Subject: get key
Subscribe: To initiate a subscription to receive future HP Security Bulletins
On the web page: ITRC security bulletins and 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
to update appropriate sections.
To review previously published Security Bulletins visit:
* The Software Product Category that this Security Bulletin relates to is
represented by 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
maintain system integrity. HP is continually reviewing and enhancing the
security features of software products to provide customers with current
"HP is broadly distributing this Security Bulletin in order to bring to the
attention of users of the affected HP products the important security
information contained in this Bulletin. HP recommends that all users determine
the applicability of this information to their individual situations and take
appropriate action. HP does not warrant that this information is necessarily
accurate or complete for all user situations and, consequently, HP will not be
responsible for any damages resulting from user's use or disregard of the
information provided in this Bulletin. To the extent permitted by law, HP
disclaims all warranties, either express or implied, including the warranties
of merchantability and fitness for a particular purpose, title and
©Copyright 2008 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or editorial errors
or omissions contained herein. The information provided is provided "as is"
without warranty of any kind. To the extent permitted by law, neither HP or
its affiliates, subcontractors or suppliers will be liable for incidental,
special or consequential damages including downtime cost; lost profits;
damages relating to the procurement of substitute products or services; or
damages for loss of data, or software restoration. The information in this
document is subject to change without notice. Hewlett-Packard Company and the
names of Hewlett-Packard products referenced herein are trademarks of
Hewlett-Packard Company in the United States and other countries. Other
product and company names mentioned herein may be trademarks of their
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