Kubernetes: CVE-2021-25737: Holes in EndpointSlice Validation Enable Host Network Hijack
5
(AV:N/AC:M/Au:S/C:P/I:P/A:N)
09/06/2021
03/11/2022
03/10/2022
03/28/2022
Description
A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.
Solution(s)
- kubernetes-upgrade-1_18_19
- kubernetes-upgrade-1_19_10
- kubernetes-upgrade-1_20_7
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