cvelistv5 - CVE-2021-39162

CVE-2021-39162

Vulnerability from cvelistv5

Published

2021-09-09 22:05

Modified

2024-08-04 01:58

Severity ?

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

Summary

Incorrect handling of H2 GOAWAY + SETTINGS frames

References

URL	Tags
security-advisories@github.com	https://github.com/envoyproxy/envoy/security/advisories/GHSA-j374-mjrw-vvp8	Third Party Advisory
security-advisories@github.com	https://github.com/pomerium/pomerium/security/advisories/GHSA-gjcg-vrxg-xmgv	Third Party Advisory
security-advisories@github.com	https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ	Not Applicable, Third Party Advisory

Impacted products

▼	Vendor	Product
	pomerium	pomerium

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:58:18.235Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/pomerium/pomerium/security/advisories/GHSA-gjcg-vrxg-xmgv"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-j374-mjrw-vvp8"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "pomerium",
          "vendor": "pomerium",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 0.15.0, \u003c 0.15.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, can abnormally terminate if an H/2 GOAWAY and SETTINGS frame are received in the same IO event. This can lead to a DoS in the presence of untrusted *upstream* servers. 0.15.1 contains an upgraded envoy binary with this vulnerability patched. If only trusted upstreams are configured, there is not substantial risk of this condition being triggered."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-754",
              "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-09T22:05:11",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pomerium/pomerium/security/advisories/GHSA-gjcg-vrxg-xmgv"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-j374-mjrw-vvp8"
        }
      ],
      "source": {
        "advisory": "GHSA-gjcg-vrxg-xmgv",
        "discovery": "UNKNOWN"
      },
      "title": "Incorrect handling of H2 GOAWAY + SETTINGS frames",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-39162",
          "STATE": "PUBLIC",
          "TITLE": "Incorrect handling of H2 GOAWAY + SETTINGS frames"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "pomerium",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003e= 0.15.0, \u003c 0.15.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "pomerium"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, can abnormally terminate if an H/2 GOAWAY and SETTINGS frame are received in the same IO event. This can lead to a DoS in the presence of untrusted *upstream* servers. 0.15.1 contains an upgraded envoy binary with this vulnerability patched. If only trusted upstreams are configured, there is not substantial risk of this condition being triggered."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-754: Improper Check for Unusual or Exceptional Conditions"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ",
              "refsource": "MISC",
              "url": "https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ"
            },
            {
              "name": "https://github.com/pomerium/pomerium/security/advisories/GHSA-gjcg-vrxg-xmgv",
              "refsource": "CONFIRM",
              "url": "https://github.com/pomerium/pomerium/security/advisories/GHSA-gjcg-vrxg-xmgv"
            },
            {
              "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-j374-mjrw-vvp8",
              "refsource": "MISC",
              "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-j374-mjrw-vvp8"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-gjcg-vrxg-xmgv",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-39162",
    "datePublished": "2021-09-09T22:05:11",
    "dateReserved": "2021-08-16T00:00:00",
    "dateUpdated": "2024-08-04T01:58:18.235Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-39162\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2021-09-09T22:15:09.050\",\"lastModified\":\"2021-09-27T14:25:03.920\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, can abnormally terminate if an H/2 GOAWAY and SETTINGS frame are received in the same IO event. This can lead to a DoS in the presence of untrusted *upstream* servers. 0.15.1 contains an upgraded envoy binary with this vulnerability patched. If only trusted upstreams are configured, there is not substantial risk of this condition being triggered.\"},{\"lang\":\"es\",\"value\":\"Pomerium es un proxy de acceso de c\u00f3digo abierto consciente de la identidad. Envoy, en el que es basado Pomerium, puede terminar anormalmente si se recibe una trama H/2 GOAWAY y SETTINGS en el mismo evento IO. Esto puede conllevar a un DoS en presencia de servidores *upstream* no confiables. La versi\u00f3n 0.15.1 contiene un binario envoy actualizado con esta vulnerabilidad parcheada. Si s\u00f3lo se configuran upstreams confiables, no se presenta un riesgo sustancial de que se desencadene esta condici\u00f3n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-754\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.18.4\",\"matchCriteriaId\":\"87D8ACC9-935D-48FC-8916-0452548EE337\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:1.19.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1968AA35-60E2-4A00-84A0-617738B55D33\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pomerium:pomerium:0.15.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B0082414-BE21-4DDC-8B84-5DC9F9BAE8E3\"}]}]}],\"references\":[{\"url\":\"https://github.com/envoyproxy/envoy/security/advisories/GHSA-j374-mjrw-vvp8\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/pomerium/pomerium/security/advisories/GHSA-gjcg-vrxg-xmgv\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Not Applicable\",\"Third Party Advisory\"]}]}}"
  }
}

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.

Action not permitted

CVE-2021-39162

Vulnerability from cvelistv5

gsd-2021-39162

Vulnerability from gsd

ghsa-gjcg-vrxg-xmgv

Vulnerability from github

Impact

Patches

Workarounds

References

For more information

Tags

Sightings

Nomenclature