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HPSBUX02183 SSRT061243 rev.1 - HP-UX sendmail, Remote Denial of Service (DoS)

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00841370

Version: 1

HPSBUX02183 SSRT061243 rev.1 - HP-UX sendmail, Remote Denial of Service (DoS)
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.

Release Date: 2007-04-16

Last Updated: 2007-04-17


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. This vulnerability could allow a remote user to cause a Denial of Service (DoS).

References: none

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP-UX B.11.00 (obsolete) running sendmail 8.9.3 or sendmail 8.11.1,
HP-UX B.11.11 running sendmail 8.9.3 or sendmail 8.11.1,
HP-UX B.11.23 running sendmail 8.11.1.

BACKGROUND

For a PGP signed version of this security bulletin please write to: security-alert@hp.com


To determine if a system has an affected version, search the output of "swlist -a revision -l fileset" for an affected fileset. Then determine if the recommended patch or update is installed.

AFFECTED VERSIONS

For sendmail 8.11.1
HP-UX B.11.23
===========
InternetSrvcs.INETSVCS2-RUN
action: install PHNE_35485 or subsequent

HP-UX B.11.11
===========
SMAIL-UPGRADE.INETSVCS-SMAIL
action: install revision B.11.11.02.004 or subsequent

HP-UX B.11.00
===========
SMAIL-811.INETSVCS-SMAIL
action: remove (use sendmail 8.9.3) or upgrade to HP-UX B.11.11

For sendmail 8.9.3
HP-UX B.11.11
===========
InternetSrvcs.INETSVCS-RUN
action: install PHNE_35484 or subsequent

For sendmail 8.9.3
HP-UX B.11.00
=========
InternetSrvcs.INETSVCS-RUN
action: install PHNE_35483 or subsequent

END AFFECTED VERSIONS

Note:
sendmail 8.13.3 currently available from http://software.hp.com does not exhibit this DoS issue.
sendmail 8.11.1 is no longer available from http://software.hp.com for HP-UX B.11.11; customers are encouraged to upgrade to sendmail 8.13.3.

RESOLUTION

HP has made the following patches available to resolve the issue.
The patches are available from http://itrc.hp.com

For sendmail 8.11.1, HP-UX B.11.23
Install: PHNE_35485 or subsequent
sendmail -bs banner: Sendmail 8.11.1 (Revision 1.10)/8.11.1
what(1) string: version.c 8.11.1 (Berkeley) - 01 December 2006 (PHNE_35485)

For sendmail 8.11.1, HP-UX B.11.11
Please write to security-alert@hp.com for more information.

For sendmail 8.11.1, HP-UX B.11.00
Use sendmail 8.9.3 or upgrade to B.11.11 or subsequent. There will be no update to sendmail 8.11.1 for HP-UX B.11.00 to resolve the vulnerability.

For sendmail 8.9.3, HP-UX B.11.11
Install: PHNE_35484 or subsequent
sendmail -bs banner: Sendmail 8.9.3 (Revision 1.10)/8.9.3
what(1) string: version.c 8.9.3 (Berkeley) 01 December 2006 (PHNE_35484)

For sendmail 8.9.3, HP-UX B.11.00
Install: PHNE_35483 or subsequent
sendmail -bs banner: Sendmail 8.9.3 (Revision 1.10)/8.9.3
what(1) string: version.c 8.9.3 (Berkeley) 01 December 2006 (PHNE_35483)

MANUAL ACTIONS: Yes - NonUpdate
HP-UX B.11.11 sendmail 8.11.1 - Write to secuirty-alert@hp.com
HP-UX B.11.00 sendmail 8.11.1 - Use sendmail 8.9.3 or upgrade to HP-UX B.11.11 or subsequent
HP-UX B.11.23 sendmail 8.11.1 - No manual actions
HP-UX B.11.11 sendmail 8.9.3 - No manual actions
HP-UX B.11.00 sendmail 8.9.3 - No manual actions

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) - 16 April 2007 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.

©Copyright 2007 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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