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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-c04926789
SUPPORT COMMUNICATION – SECURITY BULLETIN
Document ID: c04926789
Version: 1
HPSBUX03435 SSRT102977 rev.1 – HP-UX Web Server Suite running Apache, Remote
Denial of Service (DoS)
NOTICE: The information in this Security Bulletin should be acted upon as
soon as possible.
Release Date: 2016-01-07
Last Updated: 2016-01-07
Potential Security Impact: Remote Denial of Service (DoS)
Source: Hewlett Packard Enterprise, Product Security Response Team
VULNERABILITY SUMMARY
Potential security vulnerabilities have been identified with HP-UX Web Server
Suite running Apache on HP-UX 11iv3. These vulnerabilities could be exploited
remotely to create a Denial of Service (DoS) and other impacts including:
The TLS vulnerability using US export-grade 512-bit keys in Diffie-Hellman
key exchange known as “Logjam” could be exploited remotely to allow
unauthorized modification.
The RC4 stream cipher vulnerability in SSL/TLS known as “Bar Mitzvah” could
be exploited remotely to allow disclosure of information.
Apache does not properly parse chunk headers, which allows remote attackers
to conduct HTTP request smuggling attacks via a crafted request, related to
mishandling of large chunk-size values and invalid chunk-extension
characters.
References:
CVE-2015-4000
CVE-2015-2808
CVE-2015-3183
PSRT102977
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX Web Server Suite v4.05 HPUXWSATW405 httpd prior to 2.2.29.02
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
CVE-2015-2808 (AV:N/AC:M/Au:N/C:P/I:N/A:N) 4.3
CVE-2015-3183 (AV:N/AC:L/Au:N/C:N/I:P/A:N) 5.0
===========================================================
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002
RESOLUTION
HPE has provided the following software updates to resolve the
vulnerabilities with HP-UX Web Server Suite running Apache.
The updates are available for download from the following location:
https://h20392.www2.hpe.com/portal/swdepot/displayProductInfo.do?productNumbe
r=HPUXWSATW406
Issues addressed:
CVE-2015-4000:
Disable Export cipher by default.
DH parameter with 1024 bits is used by default.
Allow to configure custom DHE or ECDHE parameters by appending the concerned
parameter file to the certificate file given for the SSLCertificateFile
directive.
CVE-2015-2808:
Disable RC4 cipher in configuration file.
Notes:
HP-UX Web Server Suite v4.06 HPUXWSATW406 contains the following components:
Apache B.2.2.29.02
Tomcat Servlet Engine C.6.0.43.01
PHP 5.4.40.1 (Part of Apache)
Webmin A.1.070.13
See HPE Security Bulletin HPSBUX03512 for information about resolution for
Apache web server of HP-UX 11iv2 at the following location:
https://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c04832246
MANUAL ACTIONS: Yes – Update
Download and install the software update
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 HPE 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.11.31 IA/PA
===================
hpuxws22APACHE.APACHE
hpuxws22APACHE.AUTH_LDAP
hpuxws22APACHE.MOD_JK
hpuxws22APACHE.MOD_PERL
hpuxws22APACHE.PHP
hpuxws22APACHE.WEBPROXY
action: install revision B.2.2.29.02 or subsequent
hpuxws22TOMCAT.TOMCAT
action: install revision C.6.0.43.01 or subsequent
HP-UX B.11.31 PA
================
hpuxws22APACHE.APACHE2
hpuxws22APACHE.AUTH_LDAP2
hpuxws22APACHE.MOD_JK2
hpuxws22APACHE.MOD_PERL2
hpuxws22APACHE.PHP2
hpuxws22APACHE.WEBPROXY2
action: install revision B.2.2.29.02 or subsequent
HP-UX B.11.23 IA/PA
===================
hpuxws22WEBMIN.HPDOCS
hpuxws22WEBMIN.WEBMIN
action: install revision A.1.070.13 or subsequent
END AFFECTED VERSIONS
HISTORY
Version:1 (rev.1) – 7 January 2016 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@hpe.com.
Report: To report a potential security vulnerability with any HPE supported
product, send Email to: security-alert@hpe.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 2016 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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