HashiCorp Consul L7 deny intention results in an allow action
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-36213US | high7.5 | — | ||
HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incor… | ||||
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references
External citations — patches, advisories, analysis.
- https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855WEB
- https://github.com/hashicorp/consulWEB
- https://github.com/hashicorp/consul/releases/tag/v1.10.1WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-36213ADVISORY
- https://security.gentoo.org/glsa/202208-09WEB
- https://www.hashicorp.com/blog/category/consulWEB
scry
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