HPSBUX02508 SSRT100007 rev.2 - HP-UX Running sendmail with STARTTLS Enabled, Remote Unauth...

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Document ID: c02009860
Version: 2

HPSBUX02508 SSRT100007 rev.2 - HP-UX Running sendmail with STARTTLS Enabled,
Remote Unauthorized Access

NOTICE: The information in this Security Bulletin should be acted upon as soon
as possible.

Release Date: 2010-04-20
Last Updated: 2010-04-20

Potential Security Impact: Remote unauthorized access

Source: Hewlett-Packard Company, HP Software Security Response Team

A potential security vulnerability has been identified with HP-UX running
sendmail and STARTTLS enabled. This vulnerability could allow a user to gain
remote unauthorized access.

References: CVE-2009-4565

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23 and B.11.31 running sendmail 8.13.3 with STARTTLS enabled.


CVSS 2.0 Base Metrics
  Reference              Base Vector             Base Score
CVE-2009-4565    (AV:N/AC:L/Au:N/C:P/I:P/A:P)       7.5
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002


HP has provided the following upgrades to resolve the vulnerability.
The updates are available from http://software.hp.com .

HP-UX Release / Sendmail version / Action

B.11.11 / 8.13.3 / Upgrade to B. or subsequent

B.11.23 / 8.13.3 / Upgrade to B. or subsequent

B.11.31 / 8.13.3 / Upgrade to C. or subsequent

Note: Installations of HP-UX B.11.11 running sendmail 8.11.1 should upgrade to
sendmail 8.13.3 or subsequent. This Sendmail 8.13.3 Special Release Upgrade is
available for download from http://software.hp.com

Go to >> Internet ready and networking >> Sendmail 8.13.3 Special Release Upgrade

Note: To identify a system in a vulnerable configuration:
1. Log on to the HP-UX system
2. Run .telnet localhost 25.
3. Enter .ehlo xyz.
4. Search the output for .250-STARTTLS.
5. If .250-STARTTLS. is found, the system is in a vulnerable configuration

It is recommended that the update be applied even if the system is not currently
in a vulnerable configuration. Applying the update will eliminate the
possibility of introducing the vulnerability by a configuration change.

B.11.11 - install SMAIL B. or subsequent
B.11.23 - install SMAIL B. or subsequent
B.11.31 - install SENDMAIL C. or subsequent


HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application
that replaces HP-UX Security Patch Check. It analyzes all Security Bulletins
issued by HP and lists recommended actions that may apply to a specific HP-UX
system. It can also download patches and create a depot automatically. For more
information see: https://www.hp.com/go/swa

The following text is for use by the HP-UX Software Assistant.


HP-UX B.11.11
action: install B. or subsequent

HP-UX B.11.23
action: install B. or subsequent

HP-UX B.11.31
action: install C. or subsequent


Version: 1 (rev.1) - 24 March 2010 Initial release
Version: 2 (rev.2) - 20 April 2010 Updated revisions for download and download
Third Party Security Patches: Third party security patches that are to be
installed on systems running HP software products should be applied in
accordance with the customer's patch management policy.

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
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    -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.

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To review previously published Security Bulletins visit:

* 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
NS = HP NonStop Servers
PI = HP Printing & Imaging
ST = HP Storage SW
TL = HP Trusted Linux
TU = HP Tru64 UNIX
VV = HP VirtualVault

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

"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

Copyright 2009 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.
Version: GnuPG v1.4.10 (GNU/Linux)


Yours truly,
HP S/W Security Team
WTEC Cupertino, California

Return-Path: secure@cup.hp.com
Reply-to: security-alert@hp.com

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