[security bulletin] HPSBUX02508 SSRT100007 rev.1 - HP-UX Running sendmail with STARTTLS Enabled, Remote Unauthorized Access

[security-alert@xxxxxx]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c02009860
Version: 1

HPSBUX02508 SSRT100007 rev.1 - 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: 2010-03-24
Last Updated: 2010-03-24

Potential Security Impact: Remote unauthorized access

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

VULNERABILITY SUMMARY
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.

BACKGROUND

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

RESOLUTION

HP has provided the following upgrades to resolve the vulnerability.
The updates are available are available using ftp.

Location
 User Name / Password

ftp://ftp.usa.hp.com
 sb02508 / Secure12

HP-UX Release / Sendmail version / Action / SHA-1 Signature

B.11.11 / 8.13.3 / Upgrade to B.11.11.02.007.1 or subsequent / 
96DC01ACF66A5E03CC6BD1D65457DC1849F3B1C6

B.11.23 / 8.13.3 / Upgrade to B.11.23.1.006.1 or subsequent /  
9519112CE694D4114908A546CE36ADA53A5334A3

B.11.31 / 8.13.3 / Upgrade to C.8.13.3.4.1 or subsequent / 
2F46340CDBA7573A4589EDD90F9D83442CD114CE

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

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.

MANUAL ACTIONS: Yes - Update
B.11.11 - install SMAIL B.11.23.1.006.1 or subsequent
B.11.23 - install SMAIL B.11.23.1.006.1 or subsequent
B.11.31 - install SENDMAIL C.8.13.3.4.1 or subsequent

PRODUCT SPECIFIC INFORMATION

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.

AFFECTED VERSIONS

HP-UX B.11.11
=============
SMAIL-UPGRADE.INETSVCS-SMAIL
action: install B.11.11.02.007.1 or subsequent

HP-UX B.11.23
=============
SMAIL-UPGRADE.INET-SMAIL
SMAIL-UPGRADE.INET2-SMAIL
action: install B.11.23.1.006.1 or subsequent

HP-UX B.11.31
=============
Sendmail.SENDMAIL-AUX
Sendmail.SENDMAIL-RUN
action: install C.8.13.3.4.1 or subsequent

END AFFECTED VERSIONS

HISTORY
Version: 1 (rev.1) - 24 March 2010 Initial release

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@xxxxxx
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@xxxxxx
  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 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 
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 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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.10 (GNU/Linux)

iEYEARECAAYFAkuqu/sACgkQ4B86/C0qfVkj/ACfTaanr3OUFbWdpH6droEU6DOl
zIwAoOrVPYM1+O787cEGUlwEfRU3qzV0
=xslf
-----END PGP SIGNATURE-----