Security advisory

{
  "id": "e168b6a5d975f82b907caf8172521dd8b52446e5ba3f624b6b376cdd438f1a75",
  "url": "https://osv.dev/vulnerability/CVE-2018-1000119",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-1000119",
    "summary": "Sinatra rack-protection versions 1.5.4 and 2.0.0.rc3 and earlier contains a timing attack vulnerability in the CSRF token checking that can result in signatures can be exposed. This attack appear to be exploitable via network connectivity to the ruby application. This vulnerability appears to have been fixed in 1.5.5 and 2.0.0.",
    "evidence": "osv:CVE-2018-1000119",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-1000119",
      "aliases": [
        "CVE-2018-1000119",
        "GHSA-688c-3x49-6rqj"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sinatra/rack-protection",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "a81e964e840c064c1a37b0dd165d7d5d8d5759bc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sinatrarb:rack-protection:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.5.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.5.3",
            "v1.5.2",
            "v1.5.1",
            "v1.5.0",
            "v1.4.0",
            "v1.3.2",
            "v1.3.1",
            "v1.3.0",
            "v1.2.0",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000119.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/sinatra/sinatra",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8aa6c42ef724f93ae309fb7c5668e19ad547eceb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "8aa6c42ef724f93ae309fb7c5668e19ad547eceb"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000119.json"
          }
        }
      ],
      "modified": "2026-10-24T10:50:31.212313902Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2018:1060",
        "https://www.debian.org/security/2018/dsa-4247",
        "https://github.com/sinatra/rack-protection/pull/98",
        "https://github.com/sinatra/sinatra/commit/8aa6c42ef724f93ae309fb7c5668e19ad547eceb#commitcomment-27964109"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:sinatrarb:rack-protection:2.0.0:rc1:*:*:*:*:*:*",
              "cpe:2.3:a:sinatrarb:rack-protection:2.0.0:rc2:*:*:*:*:*:*",
              "cpe:2.3:a:sinatrarb:rack-protection:2.0.0:rc3:*:*:*:*:*:*"
            ],
            "vendor_product": "sinatrarb:rack-protection",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.0.0-rc1"
                  },
                  {
                    "last_affected": "2.0.0-rc1"
                  },
                  {
                    "introduced": "2.0.0-rc2"
                  },
                  {
                    "last_affected": "2.0.0-rc2"
                  },
                  {
                    "introduced": "2.0.0-rc3"
                  },
                  {
                    "last_affected": "2.0.0-rc3"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-1000119",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 442243,
  "published_at": "2018-03-07T14:29:00.39+00:00"
}