CVE-2021-23218 Memory Leak in Mirantis Container Runtime (MCR) running in FIPS mode causes a Denial of Service
Attackers can cause denial of service via memory leaks during TLS handshakes in Mirantis Container Runtime when FIPS mode is enabled.
- 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-2021-23218?
CVE-2021-23218 is a medium-severity denial of service vulnerability in Mirantis Container Runtime, published on 10 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When running with FIPS mode enabled, Mirantis Container Runtime 20.10.8 leaks memory during TLS Handshakes which could be abused to cause a denial of service.
Weakness: CWE-401
Which versions are affected by CVE-2021-23218?
It affects 1 product.
Products include Mirantis Mirantis Container Runtime.
How do I fix CVE-2021-23218?
No fix has been published for CVE-2021-23218 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-2021-23218 being exploited?
There is no known exploitation of CVE-2021-23218 in the wild and no public exploit code.
Sources
Also known as GHSA-3v69-r3x2-qgp5.