Kuma CP-CP TLS InsecureSkipVerify Misconfiguration Analysis

Vulnerability Overview Vulnerability Type: When the CA certificate is not provided, is set to in , causing TLS certificate verification to be skipped. Root Cause: In , when is empty, the code sets and logs a warning: Impact Scope: - Affected Files: , , , , , , , , - Affected Components: TLS communication between Kuma Control Plane (CP) and Data Plane (DP) Remediation 1. : In , when is empty, set and log a warning. 2. : In the function, when is empty, set and log a warning. 3. : In , when is empty, set and log a warning. 4. : In , when is empty, set and log a warning. 5. : In , when is empty, set and log a warning. 6. : In , when is empty, set and log a warning. 7. : In , when is empty, set and log a warning. 8. : In , when is empty, set and log a warning. 9. : In , when is empty, set and log a warning. Proof of Concept (POC) Code ```go // pkg/kuma-dp/cmd/run.go func NewClient(opts kuma_cmd.NewCmdOpts, roots kuma_cmd.RootContext) cobra.Command { cmd.PersistentFlags().DurationVar(&cfg.Dataplane.DrainTime, "drain-time", 30time.Second, "Time for which connection on Kuma DP drains.") cmd.PersistentFlags().StringVar(&cfg.Dataplane.URL, "cp-address", "http://localhost:5678", "URL of the Control Plane Dataplane Server. Example: https://controlPlaneServer:5678") cmd.PersistentFlags().StringVar(&cfg.ControlPlane.CaCertFile, "ca-cert-file", cfg.ControlPlane.CaCertFile, "Path to CA cert for which connections to the Control Plane will be verified if HTTPS is used") cmd.PersistentFlags().BoolVar(&cfg.ControlPlane.TlsSkipVerify, "skip-verify", cfg.ControlPlane.TlsSkipVerify, "Skip TLS verification of the Control Plane certificate (insecure, for development/testing only)") cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 time.Second cfg.Dataplane.DrainTime = 30 * time.Second cfg.Dataplane.Drain

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Kuma CP-CP TLS InsecureSkipVerify Misconfiguration Analysis

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