- Detalji os-a: HPU
- Važnost: IMP
- Operativni sustavi: U
- Kategorije: HPQ
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SUPPORT COMMUNICATION – SECURITY BULLETIN
Document ID: c04725401
HPSBUX03363 rev.1 – HP-UX Apache Web Server running OpenSSL, Remote
Disclosure of Information
NOTICE: The information in this Security Bulletin should be acted upon as
soon as possible.
Release Date: 2015-07-08
Last Updated: 2015-07-08
Potential Security Impact: Remote disclosure of information
Source: Hewlett-Packard Company, HP Software Security Response Team
A potential security vulnerability has been identified with OpenSSL which may
impact HP-UX Apache Web Server with SSL/TLS enabled.
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.
Note: The default configuration of HP-UX Apache Web Server is not vulnerable.
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX Apache Web Server – all versions if both EDH and EXPORT ciphers are
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
HP has provided the following workaround to resolve the vulnerability in
HP-UX Apache Web Server.
Note: The HP-UX Apache Web Server with default configuration is not
vulnerable because the default configuration does not support the DH ciphers.
Since the HP-UX Apache Web Server might be vulnerable if both EDH and
EXPORT ciphers have been enabled, run the following commands to check:
# openssl s_client -connect <server_name>:443 -cipher “EDH”
# openssl s_client -connect <server_name>:443 -cipher “EXP”
If both connections succeed, then the following workaround should be
Change the following Apache configuration settings to disable the
vulnerable DH and EXPORT ciphers:
Example from the default configuration file:
1. Edit the Apache SSL configuration file: “httpd-ssl.conf”.
2. Change “+EXP” to “!EXP” or append “:!EXP” if not in the list:
3. Restart the Apache Web Server.
Version:1 (rev.1) – 8 July 2015 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 firstname.lastname@example.org.
Report: To report a potential security vulnerability with any HP supported
product, send Email to: email@example.com
Subscribe: To initiate a subscription to receive future HP Security Bulletin
alerts via Email:
Security Bulletin Archive: A list of recently released Security Bulletins is
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 2015 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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