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Category:   Application (Security)  >   HPE IceWall Vendors:   HPE
(HP Issues Fix for HPE IceWall) OpenSSL Flaws Let Remote Users Deny Service and Decrypt TLS Sessions in Certain Cases
SecurityTracker Alert ID:  1035413
SecurityTracker URL:  http://securitytracker.com/id/1035413
CVE Reference:   CVE-2016-0702, CVE-2016-0705, CVE-2016-0797   (Links to External Site)
Date:  Mar 25 2016
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in OpenSSL. A remote user can decrypt TLS sessions in certain cases. A remote user can cause denial of service conditions on the target system. HPE IceWall is affected.

A remote user can decrypt TLS sessions in certain cases by using a server that supports SSLv2 and EXPORT cipher suites as a Bleichenbacher RSA padding oracle [CVE-2016-0800]. This attack is known as a DROWN attack.

Systems with a private key used on another server for any protocol that allows SSLv2 connections are affected.

Systems running versions prior to 1.0.2a, 1.0.1m, 1.0.0r, and 0.9.8zf (released on March 19, 2015) can be exploited more readily.

The original advisory is available at:

https://drownattack.com/drown-attack-paper.pdf

Nimrod Aviram, Sebastian Schinzel, Juraj Somorovsky, Nadia Heninger, Maik Dankel, Jens Steube, Luke Valenta, David Adrian, J. Alex Halderman, Viktor Dukhovni, Emilia Kasper, Shaanan Cohney, Susanne Engels, Christof Paar, and Yuval Shavitt reported this vulnerability.

A remote user can create a specially crafted private DSA key that, when processed by OpenSSL, will trigger a double free memory error and cause denial of service conditions [CVE-2016-0705].

Adam Langley (Google/BoringSSL) reported this vulnerability.

A remote user can supply a specially crafted username value to the target SRP server to trigger a memory leak [CVE-2016-0798].

Emilia Kasper of the OpenSSL development team reported this vulnerability.

A user can create specially crafted data (e.g., configuration file) that, when processed by OpenSSL, will trigger a null pointer dereference in the BN_hex2bn/BN_dec2bn() functions [CVE-2016-0797].

Guido Vranken reported this vulnerability.

A user can create specially crafted data that, when processed by OpenSSL, will trigger a memory error in BIO_*printf() functions [CVE-2016-0799].

Guido Vranken reported this vulnerability.

A local user can conduct a side-channel attack against a system based on the Intel Sandy-Bridge microarchitecture to potentially recover RSA keys [CVE-2016-0702].

Yuval Yarom, the University of Adelaide and NICTA, Daniel Genkin, Technion and Tel Aviv University, and Nadia Heninger, University of Pennsylvania, reported this vulnerability.

The SSLv2 's2_srvr.c' code does not ensure that a clear-key-length value is 0 for non-export ciphers. As a result, clear-key bytes can displace encrypted-key bytes, which can be exploited to conduct a key recovery attack [CVE-2016-0703].

Versions 1.0.2, 1.0.1l, 1.0.0q, and 0.9.8ze and prior versions are affected.

David Adrian and J. Alex Halderman of the University of Michigan reported this vulnerability.

The Bleichenbacher protection for export cipher suites in 's2_srvr.c' overwrites bytes incorrectly in the master-key, which may provide a Bleichenbacher oracle that can be used to decrypt sessions [CVE-2016-0704].

Versions 1.0.2, 1.0.1l, 1.0.0q, and 0.9.8ze and all prior versions are affected.

David Adrian and J. Alex Halderman of the University of Michigan reported this vulnerability.

A remote user can trigger an out-of-bounds memory write error in doapr_outch() in 'crypto/bio/b_print.c' to potentially execute arbitrary code on the target system [CVE-2016-2842].

Guido Vranken reported this vulnerability.

Impact:   A remote user can decrypt TLS sessions in certain cases.

A remote user can cause denial of service conditions.

A remote user can execute arbitrary code on the target system.

Solution:   HP has issued a fix for CVE-2016-0702, CVE-2016-0705, and CVE-2016-0797 for HPE IceWall.

The HP advisory is available at:

https://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05052990

Vendor URL:  h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05052990 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise), UNIX (HP/UX)

Message History:   This archive entry is a follow-up to the message listed below.
Mar 1 2016 OpenSSL Flaws Let Remote Users Deny Service and Decrypt TLS Sessions in Certain Cases



 Source Message Contents

Subject:  [security bulletin] HPSBGN03563 rev.1 - HPE IceWall Products using OpenSSL, Remote Denial of Service (DoS), Local Denial of Service (DoS), Disclosure of Information

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

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-c05052990

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c05052990
Version: 1

HPSBGN03563 rev.1 - HPE IceWall Products using OpenSSL, Remote Denial of
Service (DoS), Local Denial of Service (DoS), Disclosure of Information

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

Release Date: 2016-03-25
Last Updated: 2016-03-25

Potential Security Impact: Denial of Service (DoS), Disclosure of Sensitive
Information, Remote Denial of Service (DoS)

Source: Hewlett Packard Enterprise, Product Security Response Team

VULNERABILITY SUMMARY
Security vulnerabilities in the OpenSSL library could potentially impact HPE
IceWall products resulting in local or remote Denial of Service (DoS) and
local disclosure of sensitive infomation.

References:

  - CVE-2016-0702
  - CVE-2016-0705
  - CVE-2016-0797

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

  - IceWall SSO certd Version 10.0 (RHEL 6, RHEL 7 and HP-UX 11i v3)
  - IceWall SSO Dfw Version 10.0 (RHEL 6, RHEL 7 and HP-UX 11i v3)
  - IceWall MCRP Version 3.0 (RHEL 6, RHEL 7 and HP-UX 11i v3)
  - IceWall SSO Agent Option Version 10.0 (RHEL 6, RHEL 7 and HP-UX 11i v3)
  - IceWall Federation Agent Version 3.0 (RHEL 6 and RHEL 7 only)

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2016-0702    (AV:L/AC:M/Au:N/C:P/I:N/A:N)        1.9
CVE-2016-0705    (AV:N/AC:L/Au:N/C:C/I:C/A:C)       10.0
CVE-2016-0797    (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

HPE recommends applying the latest OS vendor security patches for OpenSSL
package to resolve the vulnerabilities for the IceWall products.

HISTORY
Version:1 (rev.1) - 25 March 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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