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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c02904002
Version: 1

HPSBUX02688 SSRT100513 rev.1 - HP-UX Dynamic Loader, Local Privilege Escalation, Denial of
Service (DoS)

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

Release Date: 2011-07-05
Last Updated: 2011-07-05

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Potential Security Impact: Local privilege escalation, 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 dynamic loader. The
vulnerability could be exploited locally to create a privilege escalation, or a Denial of
Service (DoS).

References: CVE-2011-2398

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, HP-UX B.11.23, and HP-UX B.11.31

BACKGROUND

CVSS 2.0 Base Metrics

Reference Base Vector Base Score
CVE-2011-2398 (AV:L/AC:L/Au:S/C:C/I:C/A:C) 6.8

         Information on CVSS is documented
        in HP Customer Notice: HPSN-2008-002

RESOLUTION

HP has made the following patches available to resolve this issue.

The patches are available from http://www.hp.com/go/HPSC
OS Release / Patch ID

HP-UX B.11.11 / PHSS_42253 or subsequent

HP-UX B.11.23 / PHSS_42043 or subsequent

HP-UX B.11.31 / PHSS_42040 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 Security Bulletins issued by HP 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 text is for use by the HP-UX Software Assistant.

AFFECTED VERSIONS

HP-UX B.11.11

OS-Core.C-KRN
OS-Core.C-MIN
OS-Core.CORE-SHLIBS
OS-Core.CMDS-AUX
ProgSupport.PROG-AUX
ProgSupport.PROG-AX-64ALIB
OS-Core.CORE-64SLIB
OS-Core.C-MIN-64ALIB
ProgSupport.C-INC
ProgSupport.LANG-MIN
OS-Core.LINKER-HELP
action: install patch PHSS_42253 or subsequent

HP-UX B.11.23

OS-Core.C-KRN
OS-Core.C-MIN
OS-Core.CMDS2-AUX
OS-Core.CORE2-64SLIB
OS-Core.CORE2-SHLIBS
ProgSupport.C2-INC
ProgSupport.LANG-64ALIB
ProgSupport.LANG-MIN
OS-Core.CORE-SHLIBS
ProgSupport.C2-INC
OS-Core.CMDS2-AUX
ProgSupport.PROG2-AUX
ProgSupport.PROG-AX-64ALIB
OS-Core.CORE-64SLIB
OS-Core.LINKER-HELP
OS-Core.LINKER-PAOBJ
OS-Core.C-MIN-64ALIB
ProgSupport.LANG-MIN
action: install patch PHSS_42043 or subsequent

HP-UX B.11.31

OS-Core.CMDS2-AUX
OS-Core.C-KRN
OS-Core.C-MIN
OS-Core.CMDS2-AUX
OS-Core.CORE2-64SLIB
OS-Core.CORE2-SHLIBS
ProgSupport.C2-INC
ProgSupport.LANG-64ALIB
ProgSupport.LANG-MIN
OS-Core.C-KRN
OS-Core.CORE-SHLIBS
OS-Core.CORE-64SLIB
OS-Core.LINKER-HELP
OS-Core.LINKER-PAOBJ
OS-Core.C-MIN
OS-Core.C-MIN-64ALIB
ProgSupport.PROG2-AUX
ProgSupport.PROG-AX-64ALIB
action: install patch PHSS_42040 or subsequent

END AFFECTED VERSIONS

HISTORY
Version:1 (rev.1) - 5 July 2011 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: [email protected]
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: [email protected]
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."

Copyright 2011 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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