CVE-2019-11747

{"id": "CVE-2019-11747", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2019-09-27T18:15:12.507", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html", "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html", "source": "security@mozilla.org"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1564481", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2019-25/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2019-26/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-665"}]}], "descriptions": [{"lang": "en", "value": "The \"Forget about this site\" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict Transport Security (HSTS) settings received from sites that use it. Due to a bug, sites on the pre-load list also have their HSTS setting removed. On the next visit to that site if the user specifies an http: URL rather than secure https: they will not be protected by the pre-loaded HSTS setting. After that visit the site's HSTS setting will be restored. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1."}, {"lang": "es", "value": "La funcionalidad \"Forget about this site\" en el panel History tiene como objetivo suprimir todos los datos de usuario guardados que indican que un usuario ha visitado un sitio. Esto incluye eliminar cualquier configuraci\u00f3n de HTTP Strict Transport Security (HSTS) recibida desde los sitios que la usan. Debido a un bug, los sitios en la lista de precarga tambi\u00e9n tienen su configuraci\u00f3n HSTS eliminada. En la pr\u00f3xima visita a ese sitio, si el usuario especifica una URL http: en lugar de https: seguro, no estar\u00e1 protegido por la configuraci\u00f3n HSTS precargada. Despu\u00e9s de esa visita, la configuraci\u00f3n HSTS del sitio ser\u00e1 restablecida. Esta vulnerabilidad afecta a Firefox versiones anteriores a 69 y Firefox ESR versiones anteriores a 68.1."}], "lastModified": "2019-10-05T06:15:14.083", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "299AA921-46BD-4E9F-8D74-F304F44C6EB4", "versionEndExcluding": "69.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2105669-4D8A-43BB-8E5D-4398F6444FE0", "versionEndExcluding": "68.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}