FKIE_CVE-2023-29406

Vulnerability from fkie_nvd - Published: 2023-07-11 20:15 - Updated: 2026-06-17 05:49
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
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.
References
security@golang.orghttps://go.dev/cl/506996Patch
security@golang.orghttps://go.dev/issue/60374Issue Tracking, Patch
security@golang.orghttps://groups.google.com/g/golang-announce/c/2q13H6LEEx0Mailing List
security@golang.orghttps://pkg.go.dev/vuln/GO-2023-1878Vendor Advisory
security@golang.orghttps://security.gentoo.org/glsa/202311-09
security@golang.orghttps://security.netapp.com/advisory/ntap-20230814-0002/
af854a3a-2127-422b-91ae-364da2661108https://go.dev/cl/506996Patch
af854a3a-2127-422b-91ae-364da2661108https://go.dev/issue/60374Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://groups.google.com/g/golang-announce/c/2q13H6LEEx0Mailing List
af854a3a-2127-422b-91ae-364da2661108https://pkg.go.dev/vuln/GO-2023-1878Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202311-09
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230814-0002/
Impacted products
Vendor Product Version
golang go *
golang go *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "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"
            }
          ]
        }
      ],
      "source": "security@golang.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A12D1C04-755E-4205-8261-3A85D0AE0AB6",
              "versionEndExcluding": "1.19.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9A77E128-E2EE-4E9A-9C4C-5F812E14EBFA",
              "versionEndExcluding": "1.20.6",
              "versionStartIncluding": "1.20.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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."
    }
  ],
  "id": "CVE-2023-29406",
  "lastModified": "2026-06-17T05:49:58.927",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-29406",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-11-07T15:39:42.813114Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-07-11T20:15:10.643",
  "references": [
    {
      "source": "security@golang.org",
      "tags": [
        "Patch"
      ],
      "url": "https://go.dev/cl/506996"
    },
    {
      "source": "security@golang.org",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://go.dev/issue/60374"
    },
    {
      "source": "security@golang.org",
      "tags": [
        "Mailing List"
      ],
      "url": "https://groups.google.com/g/golang-announce/c/2q13H6LEEx0"
    },
    {
      "source": "security@golang.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://pkg.go.dev/vuln/GO-2023-1878"
    },
    {
      "source": "security@golang.org",
      "url": "https://security.gentoo.org/glsa/202311-09"
    },
    {
      "source": "security@golang.org",
      "url": "https://security.netapp.com/advisory/ntap-20230814-0002/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://go.dev/cl/506996"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://go.dev/issue/60374"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "https://groups.google.com/g/golang-announce/c/2q13H6LEEx0"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://pkg.go.dev/vuln/GO-2023-1878"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/202311-09"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.netapp.com/advisory/ntap-20230814-0002/"
    }
  ],
  "sourceIdentifier": "security@golang.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-436"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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

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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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.


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