__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN HP Tru64 UNIX POSIX Threads [HPSBTU02171 SSRT061222 rev.1] November 13, 2006 17:00 GMT Number R-038 ______________________________________________________________________________ PROBLEM: A potential security vulnerability has been identified in the POSIX Threads library "libpthread" on the HP Tru64 UNIX Operating System. PLATFORM: HP Tru64 UNIX 5.1A PK6 HP Tru64 UNIX 4.0G PK4 HP Tru64 UNIX 4.0F PK8 DAMAGE: The vulnerability could be exploited by a local, authorized user to execute arbitrary code with the privileges of the root user. SOLUTION: Apply current patches. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. A local, authorized user, could execute ASSESSMENT: arbitrary code with the privileges of root. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-038.shtml ORIGINAL BULLETIN: Visit Hewlett-Packard Subscription Service for: HPSBTU02171 SSRT061222 rev.1 ______________________________________________________________________________ [***** Start HPSBTU02171 SSRT061222 rev.1 *****] Submitted Date: 11/8/06 Title: HPSBTU02171 SSRT061222 rev.1 - HP Tru64 UNIX POSIX Threads, Local Execution of Arbitrary Code, Privilege Elevation Document ID: c00800193 Last Modified Date: 11/11/06 You may provide feedback on this document SUPPORT COMMUNICATION - SECURITY BULLETIN 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 elevation Source: Hewlett-Packard Company, HP Software Security Response Team VULNERABILITY SUMMARY 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 BACKGROUND For a PGP signed version of this security bulletin please write to: security-alert@hp.com The Hewlett-Packard Company thanks Adriel T. Desautels of Netragard, L.L.C for reporting this vulnerability to security-alert@hp.com RESOLUTION 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 Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000974-V51AB24-ES-20061031 Name: T64KIT1000974-V51AB24-ES-20061031 MD5 Checksum: 5d61225e7bdbeed85b8f1a01153673c2 HP Tru64 UNIX Version 4.0G PK4 ERP Kit Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000976-V40GB22-ES-20061031 Name: T64KIT1000976-V40GB22-ES-20061031 MD5 Checksum: c0cf54eaa49b6984e4ff515e965c63d2 HP Tru64 UNIX Version 4.0F PK8 ERP Kit Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=DUXKIT1000975-V40FB22-ES-20061031 Name: DUXKIT1000975-V40FB22-ES-20061031 MD5 Checksum: 66c02c0b132b794d2b0888d0baefdaa6 PRODUCT SPECIFIC INFORMATION HISTORY 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 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/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 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. [***** End HPSBTU02171 SSRT061222 rev.1 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Hewlett-Packard for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. 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