CVE-2018-1419 Denial of service in MQ

Low 3.7 Published 15 Jun 2018 Updated 16 Sep 2024

A user can cause a deadlock in IBM WebSphere MQ PAM authentication code, resulting in a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-1419?

CVE-2018-1419 is a low-severity denial of service vulnerability in Ibm Websphere Mq, published on 15 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM WebSphere MQ 8.0 and 9.0, when configured to use a PAM module for authentication, could allow a user to cause a deadlock in the IBM MQ PAM code which could result in a denial of service. IBM X-Force ID: 138949.

Which versions are affected by CVE-2018-1419?

It affects 1 product.

Products include Ibm Websphere Mq.

How do I fix CVE-2018-1419?

No fix has been published for CVE-2018-1419 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-1419 being exploited?

There is no known exploitation of CVE-2018-1419 in the wild and no public exploit code.

All Ibm Websphere Mq vulnerabilities

Sources

Also known as GHSA-5cgv-p32m-wxw8.