CVE-2021-23218

Memory Leak in Mirantis Container Runtime (MCR) running in FIPS mode causes a Denial of Service

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.

Remediation

Workaround:

  • Disable FIPS mode

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Third-Party Advisory github.com
Affected: Mirantis Mirantis Container Runtime
Published at:
Updated at:

References

Link Tags
https://github.com/Mirantis/security/blob/main/advisories/0002.md third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-23218?
CVE-2021-23218 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23218?
As a workaround for remediating CVE-2021-23218: Disable FIPS mode
Is CVE-2021-23218 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-23218 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23218?
CVE-2021-23218 affects Mirantis Mirantis Container Runtime.
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