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AUSCERT External Security Bulletin Redistribution
ESB-2017.1121
Security Bulletin: Vulnerability in OpenSSL affects IBM
Security Network Active Bypass (CVE-2016-7055)
5 May 2017
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AusCERT Security Bulletin Summary
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Product: IBM Security Network Active Bypass
Publisher: IBM
Operating System: Network Appliance
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-7055
Reference: ASB-2017.0021
ASB-2017.0014
ASB-2017.0012
ASB-2016.0114
ESB-2016.2841
ESB-2016.2770
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22002310
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Security Bulletin: Vulnerability in OpenSSL affects IBM Security Network
Active Bypass (CVE-2016-7055)
Document information
More support for: IBM Security Network Active Bypass
Software version: 3.0
Operating system(s): Firmware
Software edition: All Editions
Reference #: 2002310
Modified date: 03 May 2017
Security Bulletin
Summary
An OpenSSL vulnerability was found in IBM Security Network Active Bypass. IBM
Security Network Active Bypass has addressed the applicable CVE.
Vulnerability Details
CVEID: CVE-2016-7055
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an
error in a Broadwell-specific Montgomery multiplication procedure. By sending
specially crafted data, a remote attacker could exploit this vulnerability
to trigger errors in public-key operations in configurations where multiple
remote clients select an affected EC algorithm and cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/118748 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM Security 1G Network Active Bypass firmware version 1.X firmware levels
1.0.849 through 3.30.7-23
IBM Security 10G Network Active Bypass firmware versions 1.x firmware
levels 1.0.1876 through 3.30.7-23
Remediation/Fixes
Product VRMF Remediation/First Fix
IBM Security Proventia Network Active Bypass 3.X Proventia 1G NAB Update 22 (fw 3.30.9-27)
IBM Security Proventia Network Active Bypass 3.X Proventia 10G NAB Update 19 (fw 3.30.9-27)
For IBM Security Proventia Network Active Bypass products at the following
firmware versions:
IBM Security 1G Network Active Bypass firmware version 1.X firmware
levels 1.0.849 through 3.30.4-12, 3.30.5-21, 3.30.7-23
IBM Security 10G Network Active Bypass firmware versions 1.X firmware
levels 1.0.1876 through 3.30.5-21, 3.30.7-23
IBM recommends upgrading to 3.30.9-27, the supported firmware release of
the product.
Workarounds and Mitigations
None
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References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
Original publish date: May 3, 2017
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact
of this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency
and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT
WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING
THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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