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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
(HP Issues Fix for HP-UX) OpenSSL ECDH Ciphersuite and CRL Update Bugs Lets Remote Users Deny Service and Bypass CRL Updates
SecurityTracker Alert ID:  1026584
SecurityTracker URL:  http://securitytracker.com/id/1026584
CVE Reference:   CVE-2011-3210   (Links to External Site)
Date:  Jan 25 2012
Impact:   Denial of service via network, Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 0.9.8 through 0.9.8s, 1.0.0 through 1.0.0d
Description:   Two vulnerabilities were reported in OpenSSL. A remote user can cause denial of service conditions. A remote user may be able to bypass CRL updates.

The internal certificate verification routines may incorrectly accept a certificate revocation list (CRL) with a nextUpdate field value that is in the past [CVE-2011-3207]. Applications that enable the internal CRL checking [not the default setting] are affected. Only versions 1.0.0 through 1.0.0d are affected.

Kaspar Brand reported this vulnerability.

A remote user can send a specially crafted, out of order handshake message to exploit a flaw in the ephemeral ECDH ciphersuite code and cause the service to crash [CVE-2011-3210].

Adam Langley reported this vulnerability.
Impact:   A remote user can cause the target service to crash.

A remote user may be able to bypass CRL updates.
Solution:   HP has issued a fix for CVE-2011-3210 for HP-UX.

The HP advisory is available at:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03141193
Vendor URL:  openssl.org/news/secadv_20110906.txt (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:   UNIX (HP/UX)

Message History:   This archive entry is a follow-up to the message listed below.
Sep 6 2011 OpenSSL ECDH Ciphersuite and CRL Update Bugs Lets Remote Users Deny Service and Bypass CRL Updates


 Source Message Contents
Date:  Tue, 24 Jan 2012 19:40:24 -0500 (EST)
Subject:  [security bulletin] HPSBUX02734 SSRT100729 rev.1 - HP-UX Running OpenSSL, Remote Denial of Service (DoS), Unauthorized Access

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

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c03141193
Version: 1

HPSBUX02734 SSRT100729 rev.1 - HP-UX Running OpenSSL, Remote Denial of Service (DoS), Unauthorized Access

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

Release Date: 2012-01-19
Last Updated: 2012-01-19

 ------------------------------------------------------------------------------

Potential Security Impact: Remote Denial of Service (DoS), unauthorized access

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX OpenSSL. This vulnerability could be exploited remotely to create a Denial of Service (DoS) or to gain unauthorized access.

References: CVE-2011-3210, CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4577, CVE-2011-4619.

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23, B.11.31 running OpenSSL before vA.00.09.08s.

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2011-3210    (AV:N/AC:L/Au:N/C:N/I:N/A:P)       5.0
CVE-2011-4108    (AV:N/AC:M/Au:N/C:P/I:N/A:N)       4.3
CVE-2011-4109    (AV:N/AC:M/Au:N/C:P/I:N/A:N)       9.3
CVE-2011-4576    (AV:N/AC:L/Au:N/C:P/I:N/A:N)       5.0
CVE-2011-4577    (AV:N/AC:M/Au:N/C:N/I:N/A:P)       4.3
CVE-2011-4619    (AV:N/AC:L/Au:N/C:N/I:N/A:P)       5.0
===========================================================
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002

RESOLUTION

HP has provided upgrades to resolve this vulnerability.
The upgrades are available from the following location
ftp://ossl098s:Secure12@ftp.usa.hp.com

HP-UX Release / Depot Name

B.11.11 PA (32 and 64) / OpenSSL_A.00.09.08s.001_HP-UX_B.11.11_32+64.depot

B.11.23 (PA and IA) / OpenSSL_A.00.09.08s.002_HP-UX_B.11.23_IA-PA.depot

B.11.31 (PA and IA) / OpenSSL_A.00.09.08s.003_HP-UX_B.11.31_IA-PA.depot

MANUAL ACTIONS: Yes - Update

Install OpenSSL A.00.09.08s 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
==================
openssl.OPENSSL-CER
openssl.OPENSSL-CONF
openssl.OPENSSL-DOC
openssl.OPENSSL-INC
openssl.OPENSSL-LIB
openssl.OPENSSL-MAN
openssl.OPENSSL-MIS
openssl.OPENSSL-PRNG
openssl.OPENSSL-PVT
openssl.OPENSSL-RUN
openssl.OPENSSL-SRC
action: Install revision A.00.09.08s.001 or subsequent

HP-UX B.11.23
==================
openssl.OPENSSL-CER
openssl.OPENSSL-CONF
openssl.OPENSSL-DOC
openssl.OPENSSL-INC
openssl.OPENSSL-LIB
openssl.OPENSSL-MAN
openssl.OPENSSL-MIS
openssl.OPENSSL-PRNG
openssl.OPENSSL-PVT
openssl.OPENSSL-RUN
openssl.OPENSSL-SRC
action: Install revision A.00.09.08s.002 or subsequent

HP-UX B.11.31
==================
openssl.OPENSSL-CER
openssl.OPENSSL-CONF
openssl.OPENSSL-DOC
openssl.OPENSSL-INC
openssl.OPENSSL-LIB
openssl.OPENSSL-MAN
openssl.OPENSSL-MIS
openssl.OPENSSL-PRNG
openssl.OPENSSL-PVT
openssl.OPENSSL-RUN
openssl.OPENSSL-SRC
action: Install revision A.00.09.08s.003 or subsequent

END AFFECTED VERSIONS

HISTORY
Version:1 (rev.1) 19 January 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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