CVE-2023-2816: Improper Authorization

June 2, 2023 (updated November 7, 2023)

Consul and Consul Enterprise allowed any user with service:write permissions to use Envoy extensions configured via service-defaults to patch remote proxy instances that target the configured service, regardless of whether the user has permission to modify the service(s) corresponding to those modified proxies.

References

discuss.hashicorp.com/t/hcsec-2023-16-consul-envoy-extension-downstream-proxy-configuration-by-upstream-service-owner/54525
nvd.nist.gov/vuln/detail/CVE-2023-2816

Code Behaviors & Features

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