fkie_cve-2023-47124
Vulnerability from fkie_nvd
Published
2023-12-04 21:15
Modified
2024-11-21 08:29
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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's 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`.
References
security-advisories@github.comhttps://doc.traefik.io/traefik/https/acme/#dnschallengeProduct
security-advisories@github.comhttps://doc.traefik.io/traefik/https/acme/#httpchallengeProduct
security-advisories@github.comhttps://doc.traefik.io/traefik/https/acme/#tlschallengeProduct
security-advisories@github.comhttps://github.com/traefik/traefik/releases/tag/v2.10.6Release Notes
security-advisories@github.comhttps://github.com/traefik/traefik/releases/tag/v3.0.0-beta5Release Notes
security-advisories@github.comhttps://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2fThird Party Advisory
security-advisories@github.comhttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris
af854a3a-2127-422b-91ae-364da2661108https://doc.traefik.io/traefik/https/acme/#dnschallengeProduct
af854a3a-2127-422b-91ae-364da2661108https://doc.traefik.io/traefik/https/acme/#httpchallengeProduct
af854a3a-2127-422b-91ae-364da2661108https://doc.traefik.io/traefik/https/acme/#tlschallengeProduct
af854a3a-2127-422b-91ae-364da2661108https://github.com/traefik/traefik/releases/tag/v2.10.6Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2fThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/
Impacted products
Vendor Product Version
traefik traefik *
traefik traefik 3.0.0
traefik traefik 3.0.0
traefik traefik 3.0.0
traefik traefik 3.0.0


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "AB0C6F34-0937-44ED-B248-F7B63DDA7820",
                     versionEndIncluding: "2.10.5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:traefik:traefik:3.0.0:beta1:*:*:*:*:*:*",
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               negate: false,
               operator: "OR",
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   ],
   cveTags: [],
   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's 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`.",
      },
      {
         lang: "es",
         value: "Traefik es un equilibrador de carga y proxy inverso HTTP de código abierto. Cuando Traefik está configurado para usar `HTTPChallenge` para generar y renovar los certificados TLS de Let's Encrypt, los atacantes pueden aprovechar el retraso autorizado para resolver el desafío (50 segundos) para lograr un `ataque lento`. Esta vulnerabilidad ha sido parcheada en las versiones 2.10.6 y 3.0.0-beta5. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben reemplazar `HTTPChallenge` con `TLSChallenge` o `DNSChallenge`.",
      },
   ],
   id: "CVE-2023-47124",
   lastModified: "2024-11-21T08:29:49.663",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               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",
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            },
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            impactScore: 3.6,
            source: "security-advisories@github.com",
            type: "Secondary",
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            cvssData: {
               attackComplexity: "HIGH",
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               confidentialityImpact: "NONE",
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            source: "nvd@nist.gov",
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   published: "2023-12-04T21:15:33.850",
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   sourceIdentifier: "security-advisories@github.com",
   vulnStatus: "Modified",
   weaknesses: [
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         description: [
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               lang: "en",
               value: "CWE-772",
            },
         ],
         source: "security-advisories@github.com",
         type: "Primary",
      },
   ],
}


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