high7.5
CVE-2021-36213
HashiCorp Consul L7 deny intention results in an allow action
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/hashicorp/consul | < 1.10.1 | 1.10.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Hashicorp | Consul | from 1.9.0 before 1.9.8 from 1.10.0 before 1.10.1 |
References
- NVD record
- CVE.org record
- GitHub advisory
- https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855
- https://github.com/hashicorp/consul/releases/tag/v1.10.1
- https://security.gentoo.org/glsa/202208-09
- https://www.hashicorp.com/blog/category/consul
- https://github.com/advisories/GHSA-8h2g-r292-j8xh
- https://nvd.nist.gov/vuln/detail/CVE-2021-36213