GitHub Advisoryadvisory · Go

GHSA-mfv7-gq43-w965 Incomplete List of Disallowed Inputs in Kubernetes

MEDIUM Published 2021-09-07 Modified 2021-09-14 Official page ↗
Aliases
CVE-2021-25737
Ecosystem
Go
Packages
k8s.io/kubernetes
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-184, CWE-601
Reviewed
2021-09-07

Affected packages

• Go k8s.io/kubernetes: >= 1.16.0, < 1.18.19 → fixed in 1.18.19 • Go k8s.io/kubernetes: >= 1.19.0, < 1.19.11 → fixed in 1.19.11 • Go k8s.io/kubernetes: >= 1.20.0, < 1.20.7 → fixed in 1.20.7 • Go k8s.io/kubernetes: >= 1.21.0, < 1.21.1 → fixed in 1.21.1

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.

Related

Alias · CVE (1)

  • CVE-2021-25737 A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. vulnerability

Weakness · CWE (2)

  • CWE-184 Incomplete List of Disallowed Inputs weakness
  • CWE-601 URL Redirection to Untrusted Site weakness

References