Hash: SHA1

             AUSCERT External Security Bulletin Redistribution

                         ESB-2006.0833 -- [HP-UX]
         HP Tru64 UNIX POSIX Threads, Local Execution of Arbitrary
                         Code, Privilege Elevation
                             14 November 2006


        AusCERT Security Bulletin Summary

Product:              libpthread
Publisher:            Hewlett-Packard
Operating System:     HP Tru64 UNIX 5.1A PK6
                      HP Tru64 UNIX 4.0G PK4
                      HP Tru64 UNIX 4.0F PK8
Impact:               Root Compromise
Access:               Existing Account

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Document ID: c00800193
Version: 1

HPSBTU02171 SSRT061222 rev.1 - HP Tru64 UNIX POSIX Threads, Local
Execution of Arbitrary Code, Privilege Elevation

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

Release Date: 2006-11-09
Last Updated: 2006-11-08

Potential Security Impact: Local execution of arbitrary code, privilege

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

A potential security vulnerability has been identified in the POSIX
Threads library "libpthread" on the HP Tru64 UNIX Operating System. The
vulnerability could be exploited by a local, authorized user to execute
arbitrary code with the privileges of the root user.

References: NETRAGARD-20060810

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
The following supported software versions are affected:

    * HP Tru64 UNIX 5.1A PK6
    * HP Tru64 UNIX 4.0G PK4
    * HP Tru64 UNIX 4.0F PK8


The Hewlett-Packard Company thanks Adriel T. Desautels of Netragard,
L.L.C for reporting this vulnerability to security-alert@hp.com


HP has released the following Early Release Patch kits (ERPs) publicly
for use by any customer. The ERP kits use dupatch to install and will
not install over any Customer Specific Patches (CSPs) that have file
intersections with the ERP.

HP Tru64 UNIX Version 5.1B-3
Note: HP Tru64 UNIX 5.1B-3 is not impacted by this vulnerability.
No ERP download or installation is necessary.

HP Tru64 UNIX Version 5.1B-2/PK4
Note: HP Tru64 UNIX 5.1B-2/PK4 is not impacted by this vulnerability.
No ERP download or installation is necessary.

HP Tru64 UNIX Version 5.1A PK6 ERP Kit
Name: T64KIT1000974-V51AB24-ES-20061031
MD5 Checksum: 5d61225e7bdbeed85b8f1a01153673c2

HP Tru64 UNIX Version 4.0G PK4 ERP Kit
Name: T64KIT1000976-V40GB22-ES-20061031
MD5 Checksum: c0cf54eaa49b6984e4ff515e965c63d2

HP Tru64 UNIX Version 4.0F PK8 ERP Kit
Name: DUXKIT1000975-V40FB22-ES-20061031
MD5 Checksum: 66c02c0b132b794d2b0888d0baefdaa6



Version:1 (rev.1) - 9 November 2006 Initial release

Third Party Security Patches: Third party security patches which 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

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
To get the security-alert PGP key, please send an e-mail message as
  To: security-alert@hp.com
  Subject: get key

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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 
NS = HP NonStop Servers 
OV = HP OpenVMS 
PI = HP Printing & Imaging 
ST = HP Storage SW
TL = HP Trusted Linux 
TU = HP Tru64 UNIX 
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

(c)Copyright 2006 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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