IBM MQ Light is vulnerable to a denial of service, caused by an improper handling of authentication credentials. By constructing particular byte sequences a remote attacker could cause the consumption of all CPU.
DESCRIPTION: IBM MQ Light is vulnerable to a denial of service, caused by an improper handling of authentication credentials. By constructing particular byte sequences a remote attacker could cause the consumption of all CPU.
CVSS Base Score: 7.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103480 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Affected Products and Versions
The vulnerabilities affect users of IBM MQ Light V1.0 and V126.96.36.199 on all platforms.
Download and install the latest MQ Light Server appropriate for your platform from https://developer.ibm.com/messaging/mq-light/.
The following link describes how to re-use the data from your existing installation:
Workarounds and Mitigations
Get Notified about Future Security Bulletins
27 July 2015: 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.
15 June 2018