GHSA-8h2g-r292-j8xh

HashiCorp Consul L7 deny intention results in an allow action

Source: GitHub Advisory Database (reviewed) High CVE-2021-36213

Packages

Ecosystem	Package	Affected	Fixed in
Go	github.com/hashicorp/consul	< 1.10.1	1.10.1

Details

As written in the advisory (Markdown source, shown as plain text).

In HashiCorp Consul before 1.10.1 (and Consul Enterprise), xds can generate a situation where a single L7 deny intention (with a default deny policy) results in an allow action.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2021-36213 advisory
https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-p… web
https://github.com/hashicorp/consul web
https://github.com/hashicorp/consul/releases/tag/v1.10.1 web
https://security.gentoo.org/glsa/202208-09 web
https://www.hashicorp.com/blog/category/consul web