CVE-2017-7760

{"id": "CVE-2017-7760", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2018-06-11T21:29:08.250", "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=1348645", "tags": ["Exploit", "Issue Tracking", "Patch", "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=1348645", "tags": ["Exploit", "Issue Tracking", "Patch", "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-417"}]}], "descriptions": [{"lang": "en", "value": "The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it. The location of the original file can be altered by a malicious user by passing a special path to the callback parameter through the Mozilla Maintenance Service, allowing the manipulation of files in the installation directory and privilege escalation by manipulating the Mozilla Maintenance Service, which has privileged access. 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": "El actualizador de Mozilla para Windows modifica algunos archivos para que sean actualizados mediante la lectura del archivo original y aplic\u00e1ndole los cambios. La ubicaci\u00f3n del archivo original puede ser alterada por un usuario malicioso pasando una ruta especial al par\u00e1metro callback a trav\u00e9s de Mozilla Maintenance Service, lo que permite la manipulaci\u00f3n de archivos en el directorio de instalaci\u00f3n y un escalado de privilegios manipulando Mozilla Maintenance Service, el cual tiene acceso privilegiado. 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]"}