CVE-2017-7768

{"id": "CVE-2017-7768", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2018-06-11T21:29:08.640", "references": [{"url": "http://www.securityfocus.com/bid/99057", "tags": ["Third Party Advisory", "VDB Entry"], "source": "[email protected]"}, {"url": "http://www.securitytracker.com/id/1038689", "tags": ["Third Party Advisory", "VDB Entry"], "source": "[email protected]"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1336979", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "[email protected]"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2017-15/", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2017-16/", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "http://www.securityfocus.com/bid/99057", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1038689", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1336979", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2017-15/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2017-16/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "The Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the local system by convincing the service that it is reading a status file provided by the Mozilla Windows Updater. The Mozilla Maintenance Service executes with privileged access, bypassing system protections against unprivileged users. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54."}, {"lang": "es", "value": "Mozilla Maintenance Service puede ser invocado por un usuario sin privilegios para leer 32 bytes de cualquier archivo arbitrario en el sistema local convenciendo al servicio de que est\u00e1 leyendo un archivo de estado proporcionado por Mozilla Windows Updater. Mozilla Maintenance Service se ejecuta con acceso privilegiado, omitiendo las protecciones del sistema contra usuarios sin privilegios. Nota: Este ataque requiere acceso local al sistema y solo afecta a Windows. Otros sistemas operativos no se han visto afectados. La vulnerabilidad afecta a Firefox ESR en versiones anteriores a la 52.2 y Firefox en versiones anteriores a la 54."}], "lastModified": "2025-11-25T17:50:16.803", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6F5DBE64-6529-4705-869D-4FD030CFADE0", "versionEndExcluding": "52.2.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "12FE3109-0EE6-49DC-974A-E522F55B17E1", "versionEndExcluding": "54.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "[email protected]"}