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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c03164351
Version: 1

HPSBMU02742 SSRT100740 rev.1 - HP System Management Homepage (SMH) for Linux and Windows, Remote Unauthorized Disclosure of Information

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

Release Date: 2012-02-08
Last Updated: 2012-02-08

Potential Security Impact: Remote unauthorized disclosure of information

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP System Management Homepage (SMH) for Linux and Windows. The vulnerability could be exploited remotely resulting in unauthorized disclosure of information.

References: CVE-2011-3389, CERT VU#864643

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP System Management Homepage for Linux and Windows, all versions

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2011-3389    (AV:N/AC:M/Au:N/C:P/I:N/A:N)       4.3
===========================================================
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002

RESOLUTION

CERT VU#864643 documents workarounds.

Prioritize RC4 Ciphers over CBC Ciphers

The vulnerability can be worked around by prioritizing RC4 ciphers over CBC ciphers.

By default SMH already does prioritize the RC4 ciphers over CBC ciphers. The default configuration is:

'ALL:!ADH:!EXPORT56:!EXPORT40:RC4+RSA:+HIGH:+MEDIUM:-SSLv2:+EXP:-LOW:+eNULL'

The list of available ciphers in SMH can be further restricted. The following command specifies only one cipher:

smhconfig -Z 'RC4-SHA.

After issuing the command, the SMH service must be restarted to make the change effective. The change should be tested with the browser.

Update the Browser

Certain browsers have implemented a protocol change to work around the vulnerability. CERT VU#864643 lists some of those browsers.

HISTORY
Version:1 (rev.1) - 8 February 2012 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 issues about implementing the recommendations of this Security Bulletin, contact normal HP Services support channel.  For other issues about the content of this Security Bulletin, send e-mail to security-alert@hp.com.

Report: To report a potential security vulnerability with any HP supported product, send Email to: security-alert@hp.com

Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via Email: http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins

Security Bulletin List: A list of HP Security Bulletins, updated periodically, is contained in HP Security Notice HPSN-2011-001: https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c02964430

Security Bulletin Archive: A list of recently released Security Bulletins is available here: http://h20566.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/

Software Product Category: The Software Product Category is represented in the title by the two characters following HPSB.

3C = 3COM
3P = 3rd Party Software
GN = HP General Software
HF = HP Hardware and Firmware
MP = MPE/iX
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PI = Printing and Imaging
PV = ProCurve
ST = Storage Software
TU = Tru64 UNIX
UX = HP-UX

Copyright 2012 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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