CVE-2023-29406 (GCVE-0-2023-29406)

Vulnerability from cvelistv5 – Published: 2023-07-11 19:23 – Updated: 2025-02-13 16:49
VLAI
Title
Insufficient sanitization of Host header in net/http
Summary
The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Assigner
Go
References
Impacted products
Vendor Product Version
Go standard library net/http Affected: 0 , < 1.19.11 (semver)
Affected: 1.20.0-0 , < 1.20.6 (semver)
Create a notification for this product.
Credits
Bartek Nowotarski
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T14:07:45.735Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/issue/60374"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/cl/506996"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/golang-announce/c/2q13H6LEEx0"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://pkg.go.dev/vuln/GO-2023-1878"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230814-0002/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202311-09"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-29406",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-07T15:39:42.813114Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-07T15:39:53.007Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "net/http",
          "product": "net/http",
          "programRoutines": [
            {
              "name": "Request.write"
            },
            {
              "name": "Client.CloseIdleConnections"
            },
            {
              "name": "Client.Do"
            },
            {
              "name": "Client.Get"
            },
            {
              "name": "Client.Head"
            },
            {
              "name": "Client.Post"
            },
            {
              "name": "Client.PostForm"
            },
            {
              "name": "Get"
            },
            {
              "name": "Head"
            },
            {
              "name": "Post"
            },
            {
              "name": "PostForm"
            },
            {
              "name": "Request.Write"
            },
            {
              "name": "Request.WriteProxy"
            },
            {
              "name": "Transport.CancelRequest"
            },
            {
              "name": "Transport.CloseIdleConnections"
            },
            {
              "name": "Transport.RoundTrip"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.19.11",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.20.6",
              "status": "affected",
              "version": "1.20.0-0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Bartek Nowotarski"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-25T11:09:28.969Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/issue/60374"
        },
        {
          "url": "https://go.dev/cl/506996"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/2q13H6LEEx0"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2023-1878"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230814-0002/"
        },
        {
          "url": "https://security.gentoo.org/glsa/202311-09"
        }
      ],
      "title": "Insufficient sanitization of Host header in net/http"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2023-29406",
    "datePublished": "2023-07-11T19:23:58.511Z",
    "dateReserved": "2023-04-05T19:36:35.043Z",
    "dateUpdated": "2025-02-13T16:49:14.579Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-29406",
      "date": "2026-06-05",
      "epss": "0.00344",
      "percentile": "0.573"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-29406\",\"sourceIdentifier\":\"security@golang.org\",\"published\":\"2023-07-11T20:15:10.643\",\"lastModified\":\"2024-11-21T07:56:59.913\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-436\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.19.11\",\"matchCriteriaId\":\"A12D1C04-755E-4205-8261-3A85D0AE0AB6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.20.0\",\"versionEndExcluding\":\"1.20.6\",\"matchCriteriaId\":\"9A77E128-E2EE-4E9A-9C4C-5F812E14EBFA\"}]}]}],\"references\":[{\"url\":\"https://go.dev/cl/506996\",\"source\":\"security@golang.org\",\"tags\":[\"Patch\"]},{\"url\":\"https://go.dev/issue/60374\",\"source\":\"security@golang.org\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://groups.google.com/g/golang-announce/c/2q13H6LEEx0\",\"source\":\"security@golang.org\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://pkg.go.dev/vuln/GO-2023-1878\",\"source\":\"security@golang.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202311-09\",\"source\":\"security@golang.org\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20230814-0002/\",\"source\":\"security@golang.org\"},{\"url\":\"https://go.dev/cl/506996\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://go.dev/issue/60374\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://groups.google.com/g/golang-announce/c/2q13H6LEEx0\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://pkg.go.dev/vuln/GO-2023-1878\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202311-09\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20230814-0002/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://go.dev/issue/60374\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://go.dev/cl/506996\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://groups.google.com/g/golang-announce/c/2q13H6LEEx0\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://pkg.go.dev/vuln/GO-2023-1878\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230814-0002/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.gentoo.org/glsa/202311-09\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T14:07:45.735Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-29406\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-11-07T15:39:42.813114Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-11-07T15:39:46.956Z\"}}], \"cna\": {\"title\": \"Insufficient sanitization of Host header in net/http\", \"credits\": [{\"lang\": \"en\", \"value\": \"Bartek Nowotarski\"}], \"affected\": [{\"vendor\": \"Go standard library\", \"product\": \"net/http\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"1.19.11\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"1.20.0-0\", \"lessThan\": \"1.20.6\", \"versionType\": \"semver\"}], \"packageName\": \"net/http\", \"collectionURL\": \"https://pkg.go.dev\", \"defaultStatus\": \"unaffected\", \"programRoutines\": [{\"name\": \"Request.write\"}, {\"name\": \"Client.CloseIdleConnections\"}, {\"name\": \"Client.Do\"}, {\"name\": \"Client.Get\"}, {\"name\": \"Client.Head\"}, {\"name\": \"Client.Post\"}, {\"name\": \"Client.PostForm\"}, {\"name\": \"Get\"}, {\"name\": \"Head\"}, {\"name\": \"Post\"}, {\"name\": \"PostForm\"}, {\"name\": \"Request.Write\"}, {\"name\": \"Request.WriteProxy\"}, {\"name\": \"Transport.CancelRequest\"}, {\"name\": \"Transport.CloseIdleConnections\"}, {\"name\": \"Transport.RoundTrip\"}]}], \"references\": [{\"url\": \"https://go.dev/issue/60374\"}, {\"url\": \"https://go.dev/cl/506996\"}, {\"url\": \"https://groups.google.com/g/golang-announce/c/2q13H6LEEx0\"}, {\"url\": \"https://pkg.go.dev/vuln/GO-2023-1878\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230814-0002/\"}, {\"url\": \"https://security.gentoo.org/glsa/202311-09\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"shortName\": \"Go\", \"dateUpdated\": \"2023-11-25T11:09:28.969Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-29406\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-13T16:49:14.579Z\", \"dateReserved\": \"2023-04-05T19:36:35.043Z\", \"assignerOrgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"datePublished\": \"2023-07-11T19:23:58.511Z\", \"assignerShortName\": \"Go\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.