CVE-2024-0874: Coredns: cd bit response is cached and served later

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-25 · updated 2026-10-13
Weakness: CWE-524

Description

A flaw was found in coredns. This issue could lead to invalid cache entries returning due to incorrectly implemented caching.

Affected products

Red Hat Advanced Cluster Management for Kubernetes 2: all versions
Red Hat OpenShift Container Platform 4.13: all versions — fixed in v4.13.0-202408260940.p0.ge70f097.assembly.stream.el8
Red Hat OpenShift Container Platform 4.14: all versions — fixed in v4.14.0-202408260910.p0.gfdd6037.assembly.stream.el8
Red Hat OpenShift Container Platform 4.15: all versions — fixed in v4.15.0-202407230407.p0.g1326282.assembly.stream.el9
Red Hat OpenShift Container Platform 4.16: all versions — fixed in v4.16.0-202406131906.p0.g04d84f7.assembly.stream.el9

How to fix

Upgrade to a fixed version: Red Hat OpenShift Container Platform 4.13 v4.13.0-202408260940.p0.ge70f097.assembly.stream.el8; Red Hat OpenShift Container Platform 4.14 v4.14.0-202408260910.p0.gfdd6037.assembly.stream.el8; Red Hat OpenShift Container Platform 4.15 v4.15.0-202407230407.p0.g1326282.assembly.stream.el9; Red Hat OpenShift Container Platform 4.16 v4.16.0-202406131906.p0.g04d84f7.assembly.stream.el9. Check the vendor advisory for mitigations.

References

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