===================================================================== CERT-Renater Note d'Information No. 2006/VULN031 _____________________________________________________________________ DATE : 25/01/2006 HARDWARE PLATFORM(S) : HP. OPERATING SYSTEM(S) : HP-UX B.11.00, B.11.11, B.11.22, and B.11.23. ====================================================================== SUPPORT COMMUNICATION - SECURITY BULLETIN Document ID: c00590641 Version: 3 HPSBUX01115 SSRT4885 rev.3 - HP-UX CIFS Server (Samba) Remote Execution of Arbitrary Code, Denial of Service (DoS) NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. Release Date: 2006-01-10 Last Updated: 2006-01-23 Potential Security Impact: Remote arbitrary code execution, Denial of Service (DoS). Source: Hewlett-Packard Company, HP Software Security Response Team VULNERABILITY SUMMARY A potential security vulnerability has been identified with HP-UX running CIFS Server (Samba). This vulnerability could potentially allow a remote unauthenticated user to cause controllable heap corruption, leading to execution of arbitrary commands with root privileges, or a Denial of Service (DoS). References: CAN-2004-1154 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP-UX B.11.00, B.11.11, B.11.22, and B.11.23. BACKGROUND For a PGP signed version of this security bulletin please write to: security-alert@hp.com To determine if an HP-UX system has an affected version, search the output of "swlist -a revision -l fileset" for one of the filesets listed below. For affected systems verify that the recommended action has been taken. AFFECTED VERSIONS HP-UX B.11.00 HP-UX B.11.11 HP-UX B.11.22 HP-UX B.11.23 ============ For version A.01.11.03 and previous CIFS-Server.CIFS-RUN CIFS-Server.CIFS-UTIL CIFS-Server.CIFS-ADMIN CIFS-Server.CIFS-LIB action: install revision A.01.11.04 or subsequent HP-UX B.11.11 HP-UX B.11.23 ============ CIFS-Server.CIFS-RUN,revision=A.02.01 CIFS-Server.CIFS-UTIL,revision=A.02.01 CIFS-Server.CIFS-ADMIN,revision=A.02.01 CIFS-Server.CIFS-LIB,revision=A.02.01 action: install revision A.02.01.01 or subsequent END AFFECTED VERSIONS NOTE: The HP CIFS Server versions do not map directly to the original Samba versions. The what(1) output will show the HP-UX version string, for example: A.01.11.03. Samba commands such as "smbd -V" or "smbstatus" will report the underlying base Samba version, for example: 2.2.12. RESOLUTION HP has provided the following software updates to resolve the issue: HP-UX CIFS (Samba) version A.01.11.04 HP-UX CIFS (Samba) version A.02.01.01 These updates can be downloaded from http://software.hp.com MANUAL ACTIONS: Yes - Update PRODUCT SPECIFIC INFORMATION HP-UX Security Patch Check: Security Patch Check revision B.02.00 analyzes all HP-issued Security Bulletins to provide a subset of recommended actions that potentially affect a specific HP-UX system. For more information: http://software.hp.com/portal/swdepot/displayProductInfo.do?productNumber=B6834AA HISTORY: rev.0 - 02 February 2005 Initial Release Version: 1 (rev.1) Skipped for formatting reasons Version: 2 (rev.2) - 11 January 2006 updated affected versions formatting Version: 3 (rev.3) - 23 January 2006 modified affected versions 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 Virtual Vault 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." (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 nor 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. ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================