CVE-2018-3759

{"containers": {"cna": {"affected": [{"product": "private_address_check ruby gem", "vendor": "HackerOne", "versions": [{"status": "affected", "version": "0.5.0"}]}], "datePublic": "2018-05-03T00:00:00.000Z", "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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-362", "description": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2018-06-13T14:57:01.000Z", "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "support@hackerone.com", "DATE_PUBLIC": "2018-05-03T00:00:00", "ID": "CVE-2018-3759", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "private_address_check ruby gem", "version": {"version_data": [{"version_value": "0.5.0"}]}}]}, "vendor_name": "HackerOne"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)"}]}]}, "references": {"reference_data": [{"name": "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147", "refsource": "MISC", "url": "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T04:50:30.727Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147"}]}]}, "cveMetadata": {"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "assignerShortName": "hackerone", "cveId": "CVE-2018-3759", "datePublished": "2018-06-13T15:00:00.000Z", "dateReserved": "2017-12-28T00:00:00.000Z", "dateUpdated": "2024-09-16T20:26:38.707Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "private_address_check ruby gem", "vendor": "HackerOne", "versions": [{"status": "affected", "version": "0.5.0"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:private_address_check_project:private_address_check:*:*:*:*:*:ruby:*:*", "matchCriteriaId": "6FCBC921-366D-465C-9171-A5F2101A6078", "versionEndExcluding": "0.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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 condici\u00f3n de carrera TOCTOU (time-of-check time-of-use) debido a que no se comprueba la direcci\u00f3n empleada por el socket. Las entradas DNS con un TLL de 0 pueden desencadenar este caso donde la resoluci\u00f3n inicial es una direcci\u00f3n p\u00fablica, pero la siguiente es una direcci\u00f3n privada."}], "id": "CVE-2018-3759", "lastModified": "2026-06-17T01:57:46.987", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-13T15:29:00.267", "references": [{"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"], "url": "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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