cve-2023-47124
Vulnerability from cvelistv5
Published
2023-12-04 20:20
Modified
2024-11-19 13:26
Summary
Denial of service whith ACME HTTPChallenge in Traefik
Impacted products
traefiktraefik
Show details on NVD website


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          "dateUpdated": "2024-08-02T21:01:22.848Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f"
          },
          {
            "name": "https://doc.traefik.io/traefik/https/acme/#dnschallenge",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://doc.traefik.io/traefik/https/acme/#dnschallenge"
          },
          {
            "name": "https://doc.traefik.io/traefik/https/acme/#httpchallenge",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://doc.traefik.io/traefik/https/acme/#httpchallenge"
          },
          {
            "name": "https://doc.traefik.io/traefik/https/acme/#tlschallenge",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://doc.traefik.io/traefik/https/acme/#tlschallenge"
          },
          {
            "name": "https://github.com/traefik/traefik/releases/tag/v2.10.6",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/traefik/traefik/releases/tag/v2.10.6"
          },
          {
            "name": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5"
          },
          {
            "name": "ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/"
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        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "product": "traefik",
          "vendor": "traefik",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.10.6"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.0.0-beta1, \u003c 3.0.0-beta5"
            }
          ]
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the `HTTPChallenge` to generate and renew the Let\u0027s Encrypt TLS certificates, the delay authorized to solve the challenge (50 seconds) can be exploited by attackers to achieve a `slowloris attack`. This vulnerability has been patch in version 2.10.6 and 3.0.0-beta5. Users are advised to upgrade. Users unable to upgrade should replace the `HTTPChallenge` with the `TLSChallenge` or the `DNSChallenge`."
        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-772",
              "description": "CWE-772: Missing Release of Resource after Effective Lifetime",
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        "dateUpdated": "2024-11-19T13:26:22.976Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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          "url": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f"
        },
        {
          "name": "https://doc.traefik.io/traefik/https/acme/#dnschallenge",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://doc.traefik.io/traefik/https/acme/#dnschallenge"
        },
        {
          "name": "https://doc.traefik.io/traefik/https/acme/#httpchallenge",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://doc.traefik.io/traefik/https/acme/#httpchallenge"
        },
        {
          "name": "https://doc.traefik.io/traefik/https/acme/#tlschallenge",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://doc.traefik.io/traefik/https/acme/#tlschallenge"
        },
        {
          "name": "https://github.com/traefik/traefik/releases/tag/v2.10.6",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/traefik/traefik/releases/tag/v2.10.6"
        },
        {
          "name": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5"
        },
        {
          "name": "https://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris"
        }
      ],
      "source": {
        "advisory": "GHSA-8g85-whqh-cr2f",
        "discovery": "UNKNOWN"
      },
      "title": "Denial of service whith ACME HTTPChallenge in Traefik"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-47124",
    "datePublished": "2023-12-04T20:20:30.727Z",
    "dateReserved": "2023-10-30T19:57:51.676Z",
    "dateUpdated": "2024-11-19T13:26:22.976Z",
    "state": "PUBLISHED"
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  }
}


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