Security Bulletin
Summary
IBM MQ Appliance has addressed the following denial of service vulnerability.
Vulnerability Details
CVEID:
CVE-2018-0732
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by the sending of a very large prime value to the client by a malicious server during key agreement in a TLS handshake. By spending an unreasonably long period of time generating a key for this prime, a remote attacker could exploit this vulnerability to cause the client to hang.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/144658
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM MQ Appliance 8.0
Maintenance levels between 8.0.0.0 and 8.0.0.10
IBM MQ Appliance 9.0.x Continuous Delivery (CD) Release
Continuous delivery updates 9.0.1 and 9.0.5
IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Maintenance level 9.1.0.0
Remediation/Fixes
IBM MQ Appliance 8.0
Apply
fixpack 8.0.0.11
or later.
IBM MQ Appliance 9.0.x Continuous Delivery (CD) Release
Apply
9.1.0.1 Long Term Support (LTS) Release
, or
9.1.1 Continuous Delivery Release
or later.
IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Apply
fixpack 9.1.0.1
or later.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
20 Dec 2018 : 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.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Internal Use Only
PSIRT A:12382 PR:116857
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Document Information
Modified date:
04 January 2019
UID
ibm10738785