Advisoriesby IbisConsulGHSA-8h2g-r292-j8xh
HashiCorp Consul L7 deny intention results in an allow action
Fix: upgrade to 1.10.1 or later
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| github.com/hashicorp/consul Go | < 1.10.1 | 1.10.1 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Severity from
- GitHub (reviewed advisory)
- Also known as
- BIT-consul-2021-36213, CVE-2021-36213, GO-2022-0895
- nvd.nist.gov/vuln/detail/CVE-2021-36213
- discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855
- github.com/hashicorp/consul
- github.com/hashicorp/consul/releases/tag/v1.10.1
- security.gentoo.org/glsa/202208-09
- www.hashicorp.com/blog/category/consul
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