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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 Sec
urity Patch Check. It analyzes
 all HP Security Bulletin issues and lists recommended actions that may apply to a specific HP-UX sys
tem. 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: se
curity-alert@hp.com 
It is strongly recommended that security related information being communicated to HP be encrypted us
ing 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/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GE
N__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 s
ections.


To review previously published Security Bulletins visit: http://www.itrc.hp.com/service/cki/secBullAr
chive.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. H
P is continually reviewing and
 enhancing the security features of software products to provide customers with current secure soluti
ons.


"HP is broadly distributing this Security Bulletin in order to bring to the attention of users o
f the affected HP products the important
 security information contained in this Bulletin. HP recommends that all users determine the applicab
ility of this information to
 their individual situations and take appropriate action. HP does not warrant that this information i
s 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."

©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; l
ost profits; damages relating
 to the procurement of substitute products or services; or damages for loss of data, or software rest
oration. The information in this
 document is subject to change without notice. Hewlett-Packard Company and the names of Hewlett-Packa
rd products referenced herein
 are trademarks of Hewlett-Packard Company in the United States and other countries. Other product an
d company names mentioned herein
 may be trademarks of their respective owners.
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