bugtraq - [security bulletin] HPSBTU02383 SSRT080098 rev.1 - HP Tru64 UNIX running AdvFS "showfile" command, Local Gain Extended Privileges

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Message-Id: <20081106190504.A0FB9BB19@hpchs.cup.hp.com>
Date: Thu, 06 Nov 2008 11:05:03 -0800
From: security-alert@...com
To: bugtraq@...urityfocus.com
Subject: [security bulletin] HPSBTU02383 SSRT080098 rev.1 - HP Tru64 UNIX running AdvFS "showfile" command, Local Gain Extended Privileges

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01599842
Version: 1

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 as possible.

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 local user 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 vulnerability to security-alert@...com.

RESOLUTION

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) 
Name: T64KIT1001551-V51BB27-ES-20081015.tar 
Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001551-V51BB27-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-V51BB26-ES-20080916 
 


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 

HISTORY 
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: security-alert@...com 
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:
  To: security-alert@...com 
  Subject: get key

Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email: 
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC 
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: http://www.itrc.hp.com/service/cki/secBullArchive.do 


* 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 secure solutions.


"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 non-infringement."

ŠCopyright 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 respective owners.
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