Privilege Escalation Affecting github.com/hashicorp/consul/agent/consul Open this link in a new tab package, versions >=1.2.0 <1.8.6
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23 Nov 2020
23 Nov 2020
How to fix?
github.com/hashicorp/consul/agent/consul to version 1.8.6 or higher.
github.com/hashicorp/consul/agent/consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
Affected versions of this package are vulnerable to Privilege Escalation. Allows operators with
operator:read ACL permissions to read the Connect CA private key configuration when explicitly configured with the
/v1/connect/ca/configuration endpoint, including the private key. This allows the user to effectively privilege escalate by enabling the ability to mint certificates for any Consul Connect services. This would potentially allow them to masquerade (receive/send traffic) as any service in the mesh.