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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2006.0547 -- [HP-UX] HP-UX Sendmail MIME Remote Denial of Service (DoS) 3 August 2006 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: sendmail 8.13.3 sendmail 8.11.1 sendmail 8.9.3 Publisher: Hewlett-Packard Operating System: HP-UX 11.23 HP-UX 11.11 HP-UX 11.04 HP-UX 11.00 Impact: Denial of Service Access: Remote/Unauthenticated CVE Names: CVE-2006-1173 Ref: AL-2006.0048 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 SUPPORT COMMUNICATION - SECURITY BULLETIN Document ID: c00680632 Version: 1 HPSBUX02124 SSRT061159 rev.1 - HP-UX Sendmail MIME Remote Denial of Service (DoS) NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. Release Date: 2006-07-31 Last Updated: 2006-07-31 Potential Security Impact: Remote 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 Sendmail processing malformed multipart MIME messages. This vulnerability could potentially allow a remote unauthenticated user to cause a Denial of Service (DoS). References: CVE-2006-1173 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP-UX B.11.00, B.11.04, B.11.11, B.11.23 BACKGROUND 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.11.23.01.003 or subsequent URL: http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=SMAIL813 HP-UX B.11.11 =========== SMAIL-UPGRADE.INETSVCS-SMAIL action: install revision B.11.11.02.004 or subsequent URL: http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=SMAIL813 For sendmail 8.11.1 HP-UX B.11.23 ========== InternetSrvcs.INETSVCS2-RUN action: install PHNE_34689 or subsequent HP-UX B.11.11 =========== SMAIL-811.INETSVCS-SMAIL ->action: install revision B.11.11.01.010 or subsequent URL: ftp://sendmail:sendmail@hprc.external.hp.com/sendmail-811_10.depot HP-UX B.11.00 =========== SMAIL-811.INETSVCS-SMAIL action: install revision B.11.00.01.009 or subsequent URL: http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=SMAIL811 For sendmail 8.9.3 HP-UX B.11.11 =========== InternetSrvcs.INETSVCS-RUN action: install PHNE_34936 or subsequent HP-UX B.11.04 =========== InternetSrvcs.INETSVCS-RUN action: install PHNE_34927 or subsequent HP-UX B.11.00 =========== InternetSrvcs.INETSVCS-RUN action: install PHNE_34900 or subsequent For sendmail 8.8.6 HP-UX B.11.00 ========== InternetSrvcs.INETSVCS-RUN action: install PHNE_34900 or subsequent END AFFECTED VERSIONS RESOLUTION HP has made the following software updates and patches available to resolve the issue. PHNE_34689 PHNE_34900 PHNE_34927 PHNE_34936 SMAIL-811, SMAIL-UPGRADE The patches are available from http://itrc.hp.com while webupgrades for sendmail 8.13.3 on B.11.11 as well as for sendmail 8.11.1 can be downloaded from http://software.hp.com The following banner output and what(1) strings from these new binaries (as of this bulletin release) are for reference. For sendmail 8.13.3, HP-UX B.11.23 sendmail -bs banner: Sendmail version 8.13.3 - Revision 1.003 - 2006/05/24 what(1) string: Sendmail version 8.13.3 - Revision 1.003 - 05/24/2006 URL: http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=SMAIL813 For sendmail 8.13.3, HP-UX B.11.11 sendmail -bs banner: Sendmail version 8.13.3 - Revision 2.004 - 2006/06/29 what(1) string: Sendmail version 8.13.3 - Revision 2.004 - 06/29/2006 URL: http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=SMAIL813 For sendmail 8.11.1, HP-UX B.11.23 sendmail -bs banner: Sendmail 8.11.1 (Revision 1.09)/8.9.3 what(1) string: version.c 8.11.1 (Berkeley) - 28th June 2006 (PHNE_34689) For sendmail 8.11.1, HP-UX B.11.11 sendmail-811_10.depot cksum 3720753575 2949120 md5 01f5e7c1a67c0b0a1103abdaa2907f21 sendmail -bs banner: Sendmail 8.11.1 (Revision 1.10) what(1) string: version.c 8.11.1 (Berkeley) - (Revision 1.10) - 17th July 2006 For sendmail 8.11.1, HP-UX B.11.00 sendmail -bs banner: Sendmail 8.11.1 - (Revision 1.09) what(1) string: version.c 8.11.1 (Berkeley) - (Revision 1.09) - 4th July 2006 For sendmail 8.9.3, HP-UX B.11.11 Install PHNE_34936 or subsequent For sendmail 8.9.3, HP-UX B.11.00 Install PHNE_34900 or subsequent For sendmail 8.9.3, HP-UX B.11.04 Install PHNE_34927 or subsequent sendmail -bs banner: Sendmail 8.9.3 (PHNE_32006)/8.9.3; Fri, 7 Jul 2006 what(1) string: version.c 8.9.3.1 (Berkeley) 11/05/2006 (PHNE_32006) Special Installation Instructions - Note: sendmail is not supported in daemon mode on VVOS platforms. It is provided as a mailing agent (outbound) only. For sendmail 8.8.6, HP-UX B.11.00 Install PHNE_32006 or subsequent Note: PHNE_32006 or subsequent upgrades sendmail 8.8.6 to sendmail 8.9.3. MANUAL ACTIONS: Yes - Update HP-UX B.11.23 - install software upgrade HP-UX B.11.11 - install software upgrade HP-UX B.11.00 - install software upgrade 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: Version: 1 (rev.1) - 31 July 2006 Initial release 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/AwUBRNCCBuAfOvwtKn1ZEQLOzgCg4HtxLr63F+jjlMK6cXTL63M6lUsAoJMd 5OTMsloIbjdc2uOP3UdGseWH =FRYw - -----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 iQCVAwUBRNGIyyh9+71yA2DNAQLLpgP+K5ugx5k+B1AYRxBw0TIu4tm3fPTErvkv wqqRcGKhtXnyI5LG2shB7Y/+54xAqFEg2aNHWLJi13l57O6660tfPX0QdNV4Upaj 1Rpo1WN0/NgiQFTXA/TCI2rNuOUK/0+H6r5T5aoNnNRXHmZV6dSi8BsNz6KoerVD bh/5Ix/Kb5E= =IIv2 -----END PGP SIGNATURE-----