github - ghsa-8h2g-r292-j8xh

ghsa-8h2g-r292-j8xh

Vulnerability from github

Published

2021-07-19 21:21

Modified

2022-08-11 20:43

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Summary

HashiCorp Consul L7 deny intention results in an allow action

Details

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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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/hashicorp/consul"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-36213"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2021-07-19T17:33:14Z",
    "nvd_published_at": "2021-07-17T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-8h2g-r292-j8xh",
  "modified": "2022-08-11T20:43:23Z",
  "published": "2021-07-19T21:21:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36213"
    },
    {
      "type": "WEB",
      "url": "https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hashicorp/consul"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hashicorp/consul/releases/tag/v1.10.1"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202208-09"
    },
    {
      "type": "WEB",
      "url": "https://www.hashicorp.com/blog/category/consul"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "HashiCorp Consul L7 deny intention results in an allow action"
}

cve-2021-36213

Vulnerability from cvelistv5

Published

2021-07-17 17:32

Modified

2024-08-04 00:54

Severity ?

Summary

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 incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.

References

▼	URL	Tags
	https://www.hashicorp.com/blog/category/consul	x_refsource_MISC
	https://github.com/hashicorp/consul/releases/tag/v1.10.1	x_refsource_CONFIRM
	https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/202208-09	vendor-advisory, x_refsource_GENTOO

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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          },
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            ],
            "url": "https://github.com/hashicorp/consul/releases/tag/v1.10.1"
          },
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            ],
            "url": "https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855"
          },
          {
            "name": "GLSA-202208-09",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
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            ],
            "url": "https://security.gentoo.org/glsa/202208-09"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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        {
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        }
      ],
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      "providerMetadata": {
        "dateUpdated": "2022-08-10T05:08:41",
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      "references": [
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            },
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    "datePublished": "2021-07-17T17:32:36",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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