Privilege Escalation Affecting github.com/hashicorp/consul/agent/consul Open this link in a new tab package, versions >=1.2.0 <1.8.6


0.0
medium
  • Exploit Maturity

    Mature

  • Attack Complexity

    Low

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  • snyk-id

    SNYK-GOLANG-GITHUBCOMHASHICORPCONSULAGENTCONSUL-1043754

  • published

    23 Nov 2020

  • disclosed

    23 Nov 2020

  • credit

    Unknown

How to fix?

Upgrade github.com/hashicorp/consul/agent/consul to version 1.8.6 or higher.

Overview

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.