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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2006.0261 -- [HP-UX] HP-UX running Sendmail, Remote Execution of Arbitrary Code 28 April 2006 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: sendmail Publisher: Hewlett-Packard Operating System: HP-UX B.11.23 HP-UX B.11.11 HP-UX B.11.00 Impact: Execute Arbitrary Code/Commands Access: Remote/Unauthenticated CVE Names: CVE-2006-0058 Ref: AL-2006.0020 Revision History: May 18 2006: HP adds additional depots May 3 2006: HP provides updated depot information for HP-UX B.11.00 and B.11.11 April 28 2006: HP re-released their advisory, including additional manual steps. April 19 2006: Various changes including additional affected version information. April 7 2006: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 SUPPORT COMMUNICATION - SECURITY BULLETIN Document ID: c00629555 Version: 11 HPSBUX02108 SSRT061133 rev.11 - HP-UX Running Sendmail, Remote Execution of Arbitrary Code NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. Release Date: 2006-05-03 Last Updated: 2006-05-18 Potential Security Impact: Remote Execution of Arbitrary Code Source: Hewlett-Packard Company, HP Software Security Response Team VULNERABILITY SUMMARY A vulnerability has been identified in Sendmail which may allow a remote attacker to execute arbitrary code. References: CVE-2006-0058 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP-UX B.11.00, B.11.11, B.11.23. BACKGROUND CERT has published a vulnerability report available at: http://www.kb.cert.org/vuls/id/834865 This bulletin will be revised as other versions of Sendmail become available. 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 For sendmail 8.13.3 HP-UX B.11.23 ========== SMAIL-UPGRADE.INET-SMAIL SMAIL-UPGRADE.INET2-SMAIL action: install revision B.11.23.01.002 or subsequent, modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions. URL: ftp://sendmail:sendmail@hprc.external.hp.com/sendmail-8.13_1123.depot HP-UX B.11.11 ========== SMAIL-UPGRADE.INETSVCS-SMAIL action: install revision B.11.11.02.002 or subsequent, modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions. URL: ftp://sendmail:sendmail@hprc.external.hp.com/sendmail-8.13_1111.depot For sendmail 8.11.1 HP-UX B.11.23 ========== InternetSrvcs.INETSVCS2-RUN ->action: remove UNOF_INET31734_3.depot if installed, install UNOF_INET31734_4.depot or subsequent, modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions. ->URL: ftp://sendmail:sendmail@hprc.external.hp.com/UNOF_INET31734_4.depot HP-UX B.11.11 ========== SMAIL-811.INETSVCS-SMAIL ->action: install revision B.11.11.01.009 or subsequent, modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions. ->URL: ftp://sendmail:sendmail@hprc.external.hp.com/sendmail-811_09.depot HP-UX B.11.00 ========== SMAIL-811.INETSVCS-SMAIL ->action: install revision B.11.00.01.008 or subsequent, modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions. ->URL: ftp://sendmail:sendmail@hprc.external.hp.com/sendmail-811_01.008.depot For sendmail 8.9.3 HP-UX B.11.11 ========== InternetSrvcs.INETSVCS-RUN ->action: remove UNOF_INET_29774_3.depot if installed, install PHNE_31917 or subsequent, modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions. HP-UX B.11.00 ========== InternetSrvcs.INETSVCS-RUN ->action: remove UNOF_INET_29773_3.depot if installed, install PHNE_32006 or subsequent, modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions. For sendmail 8.8.6 HP-UX B.11.00 ========== InternetSrvcs.INETSVCS-RUN ->action: remove UNOF_INET_29773_3.depot if installed, install PHNE_32006 or subsequent, modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions. END AFFECTED VERSIONS RESOLUTION HP has made the following software updates and patches available to resolve the issue. The patches are available from http://itrc.hp.com The software updates can be downloaded via ftp from: System: hprc.external.hp.com (192.170.19.100) Login: sendmail Password: sendmail (NOTE: CASE-sensitive) ftp://sendmail:sendmail@hprc.external.hp.com or ftp://sendmail:sendmail@192.170.19.100 The cksum and md5 output for the preliminary depots are listed below. The cksum and md5 output are also found the README.txt.pgp on the ftp site. For sendmail 8.13.3, HP-UX B.11.23 sendmail-8.13_1123.depot cksum 692720776 15759360 md5 E09933A4AECC16B97A8F7ACF07060F84 sendmail -bs banner: Sendmail version 8.13.3 - Revision 2.002_Beta - 2006/03/25 what(1) string: Sendmail version 8.13.3 - Revision 2.002_Beta - 2006/03/25 For sendmail 8.13.3, HP-UX B.11.11 sendmail-8.13_1111.depot cksum 954959898 5130240 md5 C85EFD8AEDB16EEF1DF0FF65988350C0 sendmail -bs banner: Sendmail version 8.13.3 - Revision 2.002_Beta - 2006/03/25 what(1) string: Sendmail version 8.13.3 - Revision 2.002_Beta - 2006/03/25 For sendmail 8.11.1, HP-UX B.11.23 ->Note: If UNOF_INET31734_1 .depot or UNOF_INET31734_3.depot has ->been installed, it must be removed using swremove(1M) before ->installing UNOF_INET31734_4.depot. ->UNOF_INET31734_4.depot ->cksum 2157915677 3317760 ->md5 10e6bf81c4a5ca75e77ae942c57b2641 ->sendmail -bs banner: ->Sendmail 8.11.1 (UNOF_INET31734_4) ->what(1) string: ->version.c 8.11.1 (Berkeley) - 2006/05/16 (UNOF_INET31734_4) For sendmail 8.11.1, HP-UX B.11.11 ->sendmail-811_09.depot ->cksum 1490250822 2938880 ->md5 c1dbd4784e91282e6a08a88944ffe22b ->sendmail -bs banner: ->Sendmail 8.11.1 (Revision 1.9) ->what(1) string: ->version.c 8.11.1 (Berkeley) - (Revision 1.9) - 2006/05/16 For sendmail 8.11.1, HP-UX B.11.00 ->sendmail-811_01.008.depot ->cksum 2401149843 2897920 ->md5 7e449621f81646fac1b5abd67c2a5b4b ->sendmail -bs banner: ->Sendmail 8.11.1 - (Revision 1.8) ->what(1) string: ->version.c 8.11.1 (Berkeley) - (Revision 1.8) - 2006/05/02 For sendmail 8.9.3, HP-UX B.11.11 ->If UNOF_INET_29774_3.depot is installed, remove it using swremove(1M). ->Then install: ->PHNE_31917 or subsequent For sendmail 8.9.3, HP-UX B.11.00 ->If UNOF_INET_29772_3.depot is installed, remove it using swremove(1M). ->Then install: ->PHNE_32006 or subsequent For sendmail 8.8.6, HP-UX B.11.00 ->If UNOF_INET_29772_3.depot is installed, remove it using swremove(1M). ->Then install: ->PHNE_32006 or subsequent ->Note : PHNE_32006 or subsequent upgrades sendmail 8.8.6 to sendmail 8.9.3. For all versions of sendmail: modify sendmail.cf to add 'restrictqrun' to the PrivacyOptions. After installation, verify output of what /usr/sbin/sendmail. To check if installations are running sendmail 8.8.6 execute "what /usr/sbin/sendmail" and check the version string. MANUAL ACTIONS: Yes - NonUpdate HP-UX B.11.00 - install preliminary software updates from ftp server modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions HP-UX B.11.11 - install preliminary software updates from ftp server modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions HP-UX B.11.23 - install preliminary software updates from ftp server modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions 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?productNumbe r=B6834AA HISTORY: Version: 1 (rev.1) - 25 March 2006 Initial release Version: 2 (rev.2) - 30 March 2006 updated md5 / cksum output Version: 3 (rev.3) - 04 April 2006 updated B.11.23 depot, added 8.11.1 for B.11.23 depot Version: 4 (rev.4) - 07 April 2006 added 8.9.3 depot for B.11.11 Version: 5 (rev.5) - 10 April 2006 clarified affected versions Version: 6 (rev.6) - 12 April 2006 added 8.9.3 and 8.11.1 depots for B.11.00 Version: 7 (rev.7) - 18 April 2006 added 8.11.1 upgrade for HP-UX B.11.11 Version: 8 (rev.8) - 24 April 2006 replaced 8.9.3 depot for HP-UX B.11.00 and B.11.11 Version: 9 (rev.9) - 25 April 2006 added manual actions Version: 10 (rev.10) - 03 May 2006 replaced 8.9.3 depot for HP-UX B.11.00 and B.11.11, added 8.11.1 depot for B.11.00 Version: 11 (rev.11) - 18 May 2006 sendmail 8.11.1 replacements UNOF_INET31734_4, sendmail-811_01.008.depot, and sendmail-811_09.depot, sendmail 8.9.3 new PHNE_31917, sendmail 8.8.6, sendmail 8.9.3 new PHNE_32006 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. - -----BEGIN PGP SIGNATURE----- Version: PGP 8.1 iQA/AwUBRGzEHOAfOvwtKn1ZEQK+7QCfakVdKfPPavd4j5ji3xbl2bj/rB4An2tB uwjImqfLazewfRyo6wCc+cAO =1YDc - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBRKN5Qyh9+71yA2DNAQJMnAP+MEbwmlVjkyyTZMPtd3FoM/mnBgrpF1S+ xYRS8EfAeZz30LJD9FKmz+1Cqo4EwzYLuNcxLpr6eCguutOHIJ1mTge7VANiu2CS xfh8q1rCWN34Fo97H5IAM8eIq86p/OApN1QK6UPd/ac3zyd2ztNGNOUY1F8KQw30 7juTJOuoZLI= =4f38 -----END PGP SIGNATURE-----