fkie_cve-2021-32066
Vulnerability from fkie_nvd
Published
2021-08-01 19:15
Modified
2024-11-21 06:06
Summary
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
References
cve@mitre.orghttps://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922aPatch, Third Party Advisory
cve@mitre.orghttps://hackerone.com/reports/1178562Exploit, Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/10/msg00009.htmlThird Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
cve@mitre.orghttps://security.gentoo.org/glsa/202401-27
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210902-0004/Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922aPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1178562Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/10/msg00009.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202401-27
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210902-0004/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/Vendor Advisory
Impacted products



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "45D6E5FE-D60E-41D3-9FCA-00F8218377EA",
              "versionEndIncluding": "2.6.7",
              "versionStartIncluding": "2.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D29D5386-D306-4CB4-82EC-678319F0101D",
              "versionEndIncluding": "2.7.3",
              "versionStartIncluding": "2.7.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "528E25B8-22A4-4AAF-9582-76BCDF3705B5",
              "versionEndIncluding": "3.0.1",
              "versionStartIncluding": "3.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D1298AA2-0103-4457-B260-F976B78468E7",
              "versionEndExcluding": "9.2.6.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\""
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en Ruby versiones hasta 2.6.7, versiones 2.7.x hasta 2.7.3, y versiones 3.x hasta 3.0.1. Net::IMAP no lanza una excepci\u00f3n cuando StartTLS falla con una respuesta desconocida, lo que podr\u00eda permitir a atacantes tipo man-in-the-middle omitir las protecciones TLS, al aprovechar una posici\u00f3n de red entre el cliente y el registro para bloquear el comando StartTLS, tambi\u00e9n se conoce como \"StartTLS stripping attack\""
    }
  ],
  "id": "CVE-2021-32066",
  "lastModified": "2024-11-21T06:06:47.243",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-01T19:15:07.697",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/1178562"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.gentoo.org/glsa/202401-27"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20210902-0004/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/1178562"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/202401-27"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20210902-0004/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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