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Status published
Medium
CVE-2024-12401
Cert-manager: potential dos when parsing specially crafted pem inputs
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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
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Affected Vendor
Unknown
View all reports →Affected Software
cert-manager Operator for Red Hat OpenShift, Cryostat 3, Multicluster Engine for Kubernetes, OpenShift Serverless, Red Hat Connectivity Link 1, Red Hat OpenShift Container Platform 4, Red Hat Openshift Data Foundation 4, Red Hat OpenShift GitOps
Vulnerable Versions:
0, 1.13.0-alpha.0, 1.16.0-alpha.0
Timeline
Official Publish:
December 12th, 2024
Last Modified:
June 26th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H