CVE-2020-1750 Denial of service in machine-config-operator-container
An attacker can cause OpenShift nodes to become unresponsive by consuming memory, preventing new pod scheduling.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1750?
CVE-2020-1750 is a medium-severity denial of service vulnerability in machine-config-operator-container, published on 7 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in the machine-config-operator that causes an OpenShift node to become unresponsive when a container consumes a large amount of memory. An attacker could use this flaw to deny access to schedule new pods in the OpenShift cluster. This was fixed in openshift/machine-config-operator 4.4.3, openshift/machine-config-operator 4.3.25, openshift/machine-config-operator 4.2.36.
Weakness: CWE-400
Which versions are affected by CVE-2020-1750?
It affects 1 product.
Products include Redhat Machine-Config-Operator.
How do I fix CVE-2020-1750?
No fix has been published for CVE-2020-1750 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-2020-1750 being exploited?
There is no known exploitation of CVE-2020-1750 in the wild and no public exploit code.
Sources
Also known as GHSA-rxh2-vw4h-qg4p.