{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-10-01T05:57:40.742","vulnerabilities":[{"cve":{"id":"CVE-2018-3759","sourceIdentifier":"support@hackerone.com","published":"2018-06-13T15:29:00.267","lastModified":"2026-06-17T01:57:46.987","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to the address the socket uses not being checked. DNS entries with a TTL of 0 can trigger this case where the initial resolution is a public address but the subsequent resolution is a private address."},{"lang":"es","value":"La gema de Ruby private_address_check en versiones anteriores a la 0.5.0 es vulnerable a una condición de carrera TOCTOU (time-of-check time-of-use) debido a que no se comprueba la dirección empleada por el socket. Las entradas DNS con un TLL de 0 pueden desencadenar este caso donde la resolución inicial es una dirección pública, pero la siguiente es una dirección privada."}],"affected":[{"source":"support@hackerone.com","affectedData":[{"vendor":"HackerOne","product":"private_address_check ruby gem","versions":[{"version":"0.5.0","status":"affected"}]}]}],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":3.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"support@hackerone.com","type":"Secondary","description":[{"lang":"en","value":"CWE-362"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-362"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:private_address_check_project:private_address_check:*:*:*:*:*:ruby:*:*","versionEndExcluding":"0.5.0","matchCriteriaId":"6FCBC921-366D-465C-9171-A5F2101A6078"}]}]}],"references":[{"url":"https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147","source":"support@hackerone.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]}]}}]}