CVE-2024-12401: Input Validation Flaw (CVSS 4.4)

Description

A flaw was found in the cert-manager package. This flaw allows an attacker who can modify PEM data that the cert-manager reads, for example, in a Secret resource, to use large amounts of CPU in the cert-manager controller pod to effectively create a denial-of-service (DoS) vector for the cert-manager in the cluster.

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CVSS v3.1 Score

4.4

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-20 Improper Input Validation

References

Other References

https://access.redhat.com/security/cve/CVE-2024-12401 https://bugzilla.redhat.com/show_bug.cgi?id=2327929 https://github.com/cert-manager/cert-manager/pull/7400 https://github.com/cert-manager/cert-manager/pull/7401 https://github.com/cert-manager/cert-manager/pull/7402 https://github.com/cert-manager/cert-manager/pull/7403 https://github.com/cert-manager/cert-manager/security/advisories/GHSA-r4pg-vg54-wxx4 https://go.dev/issue/50116

Frequently Asked Questions

What is CVE-2024-12401? +

A flaw was found in the cert-manager package. This flaw allows an attacker who can modify PEM data that the cert-manager reads, for example, in a Secret resource, to use large amounts of CPU in the cert-manager controller pod to effectively create a denial-of-service (DoS) vector for the cert-manager in the cluster. It has a CVSS v3.1 base score of 4.4 (MEDIUM).

How severe is CVE-2024-12401? +

CVE-2024-12401 has a CVSS v3.1 score of 4.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2024-12401? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-12401