cve-2023-27491
Vulnerability from cvelistv5
Published
2023-04-04 18:18
Modified
2024-08-02 12:16
Summary
Envoy forwards invalid Http2/Http3 downstream headers
Impacted products
envoyproxyenvoy
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:16:35.377Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp"
          },
          {
            "name": "https://datatracker.ietf.org/doc/html/rfc9113#section-8.3",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://datatracker.ietf.org/doc/html/rfc9113#section-8.3"
          },
          {
            "name": "https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1"
          },
          {
            "name": "https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "envoy",
          "vendor": "envoyproxy",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.25.0, \u003c 1.25.3"
            },
            {
              "status": "affected",
              "version": "\u003e= 1.24.0, \u003c 1.24.4"
            },
            {
              "status": "affected",
              "version": "\u003e= 1.23.0, \u003c 1.23.6"
            },
            {
              "status": "affected",
              "version": "\u003c 1.22.9"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Envoy is an open source edge and service proxy designed for cloud-native applications. Compliant HTTP/1 service should reject malformed request lines. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, There is a possibility that non compliant HTTP/1 service may allow malformed requests, potentially leading to a bypass of security policies. This issue is fixed in versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20: Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-04T18:18:23.433Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp"
        },
        {
          "name": "https://datatracker.ietf.org/doc/html/rfc9113#section-8.3",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://datatracker.ietf.org/doc/html/rfc9113#section-8.3"
        },
        {
          "name": "https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1"
        },
        {
          "name": "https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2"
        }
      ],
      "source": {
        "advisory": "GHSA-5jmv-cw9p-f9rp",
        "discovery": "UNKNOWN"
      },
      "title": "Envoy forwards invalid Http2/Http3 downstream headers"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-27491",
    "datePublished": "2023-04-04T18:18:23.433Z",
    "dateReserved": "2023-03-01T19:03:56.634Z",
    "dateUpdated": "2024-08-02T12:16:35.377Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-27491\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2023-04-04T19:15:07.150\",\"lastModified\":\"2023-04-11T14:43:10.780\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Envoy is an open source edge and service proxy designed for cloud-native applications. Compliant HTTP/1 service should reject malformed request lines. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, There is a possibility that non compliant HTTP/1 service may allow malformed requests, potentially leading to a bypass of security policies. This issue is fixed in versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2},{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-444\"}]},{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.22.9\",\"matchCriteriaId\":\"DAD93214-C958-4A69-9291-15D1C22CFD3F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.23.0\",\"versionEndExcluding\":\"1.23.6\",\"matchCriteriaId\":\"17BFB303-DA5A-4E83-93F7-3C1EA340E434\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.24.0\",\"versionEndExcluding\":\"1.24.4\",\"matchCriteriaId\":\"92B633B8-FA4A-4630-9302-96F2C8336E36\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.25.0\",\"versionEndExcluding\":\"1.25.3\",\"matchCriteriaId\":\"8AFC6741-6FDF-47F6-A4AF-B5F5233ABB71\"}]}]}],\"references\":[{\"url\":\"https://datatracker.ietf.org/doc/html/rfc9113#section-8.3\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Not Applicable\"]},{\"url\":\"https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Not Applicable\"]},{\"url\":\"https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]},{\"url\":\"https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Not Applicable\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

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.