7.4
CWE
285 266
Advisory Published
Advisory Published
Updated

CVE-2023-3518: JWT Auth in L7 Intentions Allow For Mismatched Service Identity and JWT Providers for Access

First published: Wed Aug 09 2023(Updated: )

A vulnerability was identified in Consul such that using JWT authentication for service mesh incorrectly allows/denies access regardless of service identities. This vulnerability, CVE-2023-3518, affects Consul 1.16.0 and was fixed in 1.16.1.

Credit: security@hashicorp.com security@hashicorp.com security@hashicorp.com

Affected SoftwareAffected VersionHow to fix
HashiCorp Consul=1.16.0
HashiCorp Consul=1.16.0
HashiCorp Consul=1.16.0-rc1
go/github.com/hashicorp/consul=1.16.0
1.16.1

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Frequently Asked Questions

  • What is CVE-2023-3518?

    CVE-2023-3518 is a vulnerability in HashiCorp Consul and Consul Enterprise 1.16.0 that allows/denies access regardless of service identities when using JWT Auth for service mesh.

  • What is the severity of CVE-2023-3518?

    CVE-2023-3518 has a severity rating of 7.4 (high).

  • How does CVE-2023-3518 affect HashiCorp Consul?

    CVE-2023-3518 affects HashiCorp Consul and Consul Enterprise 1.16.0 versions when using JWT Auth for service mesh.

  • How can I fix CVE-2023-3518?

    You can fix CVE-2023-3518 by upgrading to version 1.16.1 of HashiCorp Consul or Consul Enterprise.

  • Where can I find more information about CVE-2023-3518?

    You can find more information about CVE-2023-3518 at the following link: https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and-jwt-providers/57004

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