FKIE_CVE-2017-17742

Vulnerability from fkie_nvd - Published: 2018-04-03 22:29 - Updated: 2026-06-17 01:11
Summary
Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
cve@mitre.orghttp://www.securityfocus.com/bid/103684Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1042004
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3729
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3730
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3731
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:2028
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/04/msg00023.htmlThird Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/04/msg00024.htmlThird Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
cve@mitre.orghttps://usn.ubuntu.com/3685-1/
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4259
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/03/28/http-response-splitting-in-webrick-cve-2017-17742/Vendor Advisory
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/Patch, Release Notes
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/Patch, Release Notes
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/Patch, Release Notes
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/Patch, Release Notes
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/103684Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1042004
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3729
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3730
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3731
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2028
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/04/msg00023.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/04/msg00024.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3685-1/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4259
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/03/28/http-response-splitting-in-webrick-cve-2017-17742/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/Patch, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/Patch, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/Patch, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/Patch, Release Notes
Impacted products

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "79C0C7FF-8814-4F49-8DFE-8763BE582055",
              "versionEndExcluding": "2.2.10",
              "versionStartIncluding": "2.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "17DC7068-E1B8-4699-BDE0-14305D35D24B",
              "versionEndExcluding": "2.3.7",
              "versionStartIncluding": "2.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7172D61A-F82C-4EB5-9763-611CFE08A09B",
              "versionEndExcluding": "2.4.4",
              "versionStartIncluding": "2.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4A56E97B-C7E3-48AC-AAEF-4FA056276D03",
              "versionEndExcluding": "2.5.1",
              "versionStartIncluding": "2.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:2.6.0:preview1:*:*:*:*:*:*",
              "matchCriteriaId": "787FDFC6-E780-4F95-9E46-C5CF77E7EBC7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick."
    },
    {
      "lang": "es",
      "value": "Ruby, en versiones anteriores a la 2.2.10, versiones 2.3.x anteriores a la 2.3.7, versiones 2.4.x anteriores a la 2.4.4, versiones 2.5.x anteriores a la 2.5.1 y la versi\u00f3n 2.6.0-preview1, permite un ataque de separaci\u00f3n de respuesta HTTP. Un atacante puede inyectar una clave y un valor manipulados en una respuesta HTTP para el servidor HTTP de WEBrick."
    }
  ],
  "id": "CVE-2017-17742",
  "lastModified": "2026-06-17T01:11:34.520",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-04-03T22:29:00.383",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/103684"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1042004"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2018:3729"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2018:3730"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2018:3731"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:2028"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://usn.ubuntu.com/3685-1/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.debian.org/security/2018/dsa-4259"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/http-response-splitting-in-webrick-cve-2017-17742/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/103684"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1042004"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2018:3729"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2018:3730"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2018:3731"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2019:2028"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00027.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://usn.ubuntu.com/3685-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.debian.org/security/2018/dsa-4259"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/http-response-splitting-in-webrick-cve-2017-17742/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-113"
        }
      ],
      "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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  • 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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