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SUPPORT COMMUNICATION -
SECURITY BULLETIN
HPSBUX02108 SSRT061133 rev.15 - HP-UX Running sendmail, Remote Execution of Arbitrary Code
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.
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, US-CERT VU#834865
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.23 running sendmail 8.13.3, sendmail 8.11.1
HP-UX B.11.11 running sendmail 8.13.3, sendmail 8.11.1, sendmail 8.9.3
HP-UX B.11.04 running sendmail 8.9.3
HP-UX B.11.00 running sendmail 8.11.1, sendmail 8.9.3, sendmail 8.8.6
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,
modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions.
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,
modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions.
URL:
http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=SMAIL813
For sendmail 8.11.1
HP-UX B.11.23
===========
UNOF_INET31734_1.INETSVCS2-RUN
UNOF_INET31734_3.INETSVCS2-RUN
UNOF_INET31734_4.INETSVCS2-RUN
action:
remove any unofficial patch if installed
InternetSrvcs.INETSVCS2-RUN
->action: install PHNE_35485 or subsequent
HP-UX B.11.11
===========
SMAIL-811.INETSVCS-SMAIL
action: install revision B.11.11.01.010 or subsequent,
modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions.
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,
modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions.
URL:
http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=SMAIL811
For sendmail 8.9.3
HP-UX B.11.11
===========
UNOF_INET_29774_1.INETSVCS-RUN
UNOF_INET_29774_2.INETSVCS-RUN
UNOF_INET_29774_3.INETSVCS-RUN
action: remove any unofficial patch if installed
InternetSrvcs.INETSVCS-RUN
->action: install PHNE_35484 or subsequent
HP-UX B.11.00
===========
UNOF_INET_29773_1.INETSVCS-RUN
UNOF_INET_29773_2.INETSVCS-RUN
UNOF_INET_29773_3.INETSVCS-RUN
action: remove any unofficial patch if installed
InternetSrvcs.INETSVCS-RUN
->action: install PHNE_35483 or subsequent
HP-UX B.11.04
===========
UNOF_INET_29773_1.INETSVCS-RUN
UNOF_INET_29773_2.INETSVCS-RUN
UNOF_INET_29773_3.INETSVCS-RUN
action: remove any unofficial patch if installed
InternetSrvcs.INETSVCS-RUN
action: install PHNE_34927 or subsequent
For sendmail 8.8.6
HP-UX B.11.00
===========
UNOF_INET_29773_1.INETSVCS-RUN
UNOF_INET_29773_2.INETSVCS-RUN
UNOF_INET_29773_3.INETSVCS-RUN
action: remove any unofficial patch if installed
InternetSrvcs.INETSVCS-RUN
->action: install PHNE_35483 or subsequent
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
while webupgrades can be downloaded from
http://software.hp.com
The preliminary 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 webupgrades for sendmail 8.13.3 on B.11.11 as well as B.11.23 can be downloaded from http://software.hp.com using the URL above.
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 -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
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
For sendmail 8.11.1, HP-UX B.11.23
Note: If UNOF_INET31734_1.depot or UNOF_INET31734_3.depot or UNOF_INET31734_4.depot has been installed, they must be removed using swremove(1M) before installing PHNE_35485 or subsequent.
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
If UNOF_INET_29774_3.depot or previous is installed, remove it using swremove(1M). Then install:
->PHNE_35484 or subsequent
For sendmail 8.9.3, HP-UX B.11.00
If UNOF_INET_29772_3.depot or previous is installed, remove it using swremove(1M). Then install:
->PHNE_35483 or subsequent
For sendmail 8.9.3, HP-UX B.11.04
If UNOF_INET_29772_3.depot or previous is installed, remove it using swremove(1M). Then 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
If UNOF_INET_29772_3.depot or previous is installed, remove it using swremove(1M). Then install:
->PHNE_35484 or subsequent
->Note: PHNE_35484 or subsequent upgrades sendmail 8.8.6 to sendmail 8.9.3.
For all versions of sendmail:
->If PHNE_35483, PHNE_35484, PHNE_35485 or subsequent is not installed,
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
->If PHNE_35483, PHNE_35484, PHNE_35485 or subsequent is not installed,
modify /etc/mail/sendmail.cf to add 'restrictqrun' to the PrivacyOptions
HP-UX B.11.11 - install preliminary software
HP-UX B.11.23 - install preliminary software
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) - 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
Version: 12 (rev.12) - 18 July 2006 added webupgrades for 8.11.1 on B.11.00, and 8.13.3 on B.11.11; added patch for B.11.04.
Version: 13 (rev.13) - 31 July 2006 added PHNE_34900 for 8.9.3 on B.11.00, PHNE_34936 for 8.9.3 on B.11.11, PHNE_34689 for 8.11.1 on B.11.23, sendmail-811_01.009, sendmail-811_10.depot.
Version: 14 (rev.14) - 08 August 2006 corrected typo on 8.11.1 on B.11.23,
Version: 15 (rev.15) 21 August 2007 PHNE_35483, PHNE_35484, PHNE_35485 automate previous manual actions
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:
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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:
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GN = HP General SW
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MA = HP Management Agents
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MI = Misc. 3rd Party SW
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MP = HP MPE/iX
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NS = HP NonStop Servers
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OV = HP OpenVMS
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PI = HP Printing & Imaging
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ST = HP Storage SW
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TL = HP Trusted Linux
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TU = HP Tru64 UNIX
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UX = HP-UX
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VV = HP VirtualVault
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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 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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