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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01520421
Version: 1

HPSBUX02355 SSRT080023 rev.1 - HP-UX Using libc, Remote Denial of Service (DoS)

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

Release Date: 2008-08-06
Last Updated: 2008-08-06

Potential Security Impact: Remote Denial of Service (DoS)

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified in HP-UX using libc. This vulnerability could be exploited remotely to create a Denial of Service (DoS).

References: CVE-2008-1664

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.23 and B.11.31 using libc.

BACKGROUND

CVSS 2.0 Base Metrics
===============================================
Reference Base Vector Base Score
CVE-2008-1664 (AV:N/AC:L/Au:S/C:N/I:P/A:C) 7.5
===============================================
Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.

RESOLUTION

HP is providing the following software patches to resolve the vulnerability.
The patches are available from: http://itrc.hp.com

HP-UX Release - HP-UX B.11.23 (11i v2)
Action - Install PHCO_38273 or subsequent

HP-UX Release - HP-UX B.11.31 (11i v3)
Action - Install PHCO_38048 or subsequent

MANUAL ACTIONS: No

PRODUCT SPECIFIC INFORMATION

HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application that replaces HP-UX Security Patch Check. It analyzes all HP Security Bulletin issues and lists recommended actions that may apply to a specific HP-UX system. It can also download patches and create a depot automatically. For more information see: https://www.hp.com/go/swa
The following is for use by the HP-UX Software Assistant.

AFFECTED VERSIONS

HP-UX B.11.23
===========
OS-Core.C-MIN
OS-Core.C-MIN-64ALIB
OS-Core.CORE2-64SLIB
OS-Core.CORE2-SHLIBS
ProgSupport.PROG2-AUX
OS-Core.C-MIN,fr=B.11.23
OS-Core.C-MIN-64ALIB
OS-Core.CORE2-64SLIB
OS-Core.CORE2-SHLIBS
ProgSupport.PROG-AX-64ALIB
ProgSupport.PROG-MIN
ProgSupport.PROG2-AUX
action: install patch PHCO_38273 or subsequent
URL: http://itrc.hp.com

HP-UX B.11.31
===========
OS-Core.CORE-64SLIB
OS-Core.CORE-SHLIBS
OS-Core.C-MIN
OS-Core.C-MIN-64ALIB
OS-Core.CORE2-64SLIB
OS-Core.CORE2-SHLIBS
ProgSupport.PROG2-AUX
OS-Core.C-MIN,fr=B.11.31
OS-Core.C-MIN-64ALIB
ProgSupport.PROG-AX-64ALIB
ProgSupport.PROG-MIN
ProgSupport.PROG2-AUX
action: install patch PHCO_38048 or subsequent
URL: http://itrc.hp.com

END AFFECTED VERSIONS

HISTORY
Version: 1 (rev.1) 6 August 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.


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 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@hp.com
Subject: get key

Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email:
http://h30046.www3.hp.com/driverAler...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."

ęCopyright 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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--
Yours truly,
HP S/W Security Team
WTEC Cupertino, California


Return-Path: secure@cup.hp.com
Reply-to: security-alert@hp.com