bugtraq - [security bulletin] HPSBHF03433 SSRT102964 rev.1 - HP-UX Running Mozilla Firefox and Thunderbird, Remote Disclosure of Information

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Message-Id: <20151209221053.1C47B1075C4@psrt>
Date: Wed,  9 Dec 2015 14:10:53 -0800 (PST)
From: security-alert@....com
To: bugtraq@...urityfocus.com
Subject: [security bulletin] HPSBHF03433 SSRT102964 rev.1 - HP-UX Running Mozilla Firefox and Thunderbird, Remote Disclosure of Information

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Note: the current version of the following document is available here:
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_n
a-c04918839

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c04918839
Version: 1

HPSBHF03433 SSRT102964 rev.1 - HP-UX Running Mozilla Firefox and Thunderbird,
Remote Disclosure of Information

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

Release Date: 2015-12-09
Last Updated: 2015-12-09

Potential Security Impact: Remote Disclosure of Information

Source: Hewlett Packard Enterprise, Product Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX Running
Mozilla Firefox and Thunderbird. This may allow remote disclosure of
information.

Note: This is the TLS vulnerability using US export-grade 512-bit keys in
Diffie-Hellman key exchange known as "Logjam" which could be exploited
remotely resulting in disclosure of information.

References:

CVE-2015-4000
PSRT102964

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP-UX Thunderbird v2.0.0.24 HP-UX Thunderbird
HP-UX Firefox browser v3.5.09.00 HP-UX Firefox browser

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2015-4000    (AV:N/AC:M/Au:N/C:N/I:P/A:N)       4.3
===========================================================
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002

RESOLUTION

HP has provided the following configuration instructions to resolve this
vulnerability.

Do the following to mitigate the logjam issue in HP-UX Firefox and
Thunderbird:

HP-UX Firefox browser:

Visit about:config in the Firefox browser Search for ssl3 and disable
DHE_EXPORT ciphers by setting below preferences values to false.
security.ssl3.dhe_rsa_aes_128_sha
security.ssl3.dhe_rsa_aes_256_sha
Restart the browser

HP-UX Thunderbird:

Select "Preferences" from the "Edit" menu
Select "Advanced" Tab and then click on "Config Editor" button Search for
security.ssl3.dhe_rsa_aes and disable DHE_EXPORT ciphers by setting below
preference values to false.
security.ssl3.dhe_rsa_aes_128_sha
security.ssl3.dhe_rsa_aes_256_sha

HISTORY
Version:1 (rev.1) - 9 December 2015 Initial release

Third Party Security Patches: Third party security patches that are to be
installed on systems running Hewlett Packard Enterprise (HPE) 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 HPE Services support channel. For other issues about
the content of this Security Bulletin, send e-mail to security-alert@....com.

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

Subscribe: To initiate a subscription to receive future HPE Security Bulletin
alerts via Email: http://www.hpe.com/support/Subscriber_Choice

Security Bulletin Archive: A list of recently released Security Bulletins is
available here: http://www.hpe.com/support/Security_Bulletin_Archive

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 = HPE General Software
HF = HPE Hardware and Firmware
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PV = ProCurve
ST = Storage Software
UX = HP-UX

Copyright 2015 Hewlett Packard Enterprise

Hewlett Packard Enterprise 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 Enterprise and the names of Hewlett Packard Enterprise products
referenced herein are trademarks of Hewlett Packard Enterprise 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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