Denial of service in cert-manager



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-12401
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
 cert-manager Operator for Red Hat OpenShift
Server applications / Other server solutions

Vendor cert-manager

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource management error

EUVDB-ID: #VU103270

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-12401

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application when reading PEM data. A remote user who can modify PEM data that the cert-manager reads can force the application to use large amounts of CPU in the cert-manager controller pod and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

cert-manager Operator for Red Hat OpenShift: 1.12.0 - 1.16.1

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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