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Security Bulletin: IBM MQ Appliance is affected by a Network Security Services (NSS) vulnerability (CVE-2017-7805)

Security Bulletin


IBM MQ Appliance has addressed a vulnerability in Network Security Services (NSS).

Vulnerability Details

CVEID: CVE-2017-7805
DESCRIPTION: Network Security Services could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in TLS 1.2 generating handshake hashes. By persuading a victim to visit a specially-crafted website, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVSS Base Score: 8.8
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM MQ Appliance 8.0

Maintenance levels between and

IBM MQ Appliance 9.0.x Continuous Delivery (CD) Release

Continuous delivery updates between 9.0.1 and 9.0.3


IBM MQ Appliance 8.0

Apply fixpack

IBM MQ Appliance 9.0.x Continuous Delivery (CD) Release

Apply Continuous Delivery Release 9.0.4

Workarounds and Mitigations


Get Notified about Future Security Bulletins


Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

12 December 2017 Original version published

*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.


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.

Document information

More support for: IBM MQ Appliance

Component: --

Software version: 8.0,,,,, 9.0.1, 9.0.2, 9.0.3

Operating system(s): Platform Independent

Reference #: 2009842

Modified date: 13 August 2019