CVE-2017-5384

{"containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "51", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2017-01-24T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Proxy Auto-Config (PAC) files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed to be non-malicious, but if a user has enabled Web Proxy Auto Detect (WPAD) this file can be served remotely. This vulnerability affects Firefox < 51."}], "problemTypes": [{"descriptions": [{"description": "Information disclosure via Proxy Auto-Config (PAC)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-06-12T09:57:01.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.contextis.com//resources/blog/leaking-https-urls-20-year-old-vulnerability/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1255474"}, {"name": "1037693", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1037693"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-01/"}, {"name": "95763", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/95763"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2017-5384", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Firefox", "version": {"version_data": [{"version_affected": "<", "version_value": "51"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Proxy Auto-Config (PAC) files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed to be non-malicious, but if a user has enabled Web Proxy Auto Detect (WPAD) this file can be served remotely. This vulnerability affects Firefox < 51."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Information disclosure via Proxy Auto-Config (PAC)"}]}]}, "references": {"reference_data": [{"name": "https://www.contextis.com//resources/blog/leaking-https-urls-20-year-old-vulnerability/", "refsource": "MISC", "url": "https://www.contextis.com//resources/blog/leaking-https-urls-20-year-old-vulnerability/"}, {"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1255474", "refsource": "CONFIRM", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1255474"}, {"name": "1037693", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1037693"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2017-01/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2017-01/"}, {"name": "95763", "refsource": "BID", "url": "http://www.securityfocus.com/bid/95763"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T14:55:35.774Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.contextis.com//resources/blog/leaking-https-urls-20-year-old-vulnerability/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1255474"}, {"name": "1037693", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1037693"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-01/"}, {"name": "95763", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/95763"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2017-5384", "datePublished": "2018-06-11T21:00:00.000Z", "dateReserved": "2017-01-13T00:00:00.000Z", "dateUpdated": "2024-08-05T14:55:35.774Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "51", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "19A47E81-DD45-46A3-BB7F-C48882794EA6", "versionEndExcluding": "51.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Proxy Auto-Config (PAC) files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed to be non-malicious, but if a user has enabled Web Proxy Auto Detect (WPAD) this file can be served remotely. This vulnerability affects Firefox < 51."}, {"lang": "es", "value": "Los archivos PAC (Proxy Auto-Config) pueden especificar una funci\u00f3n JavaScript llamada para todas las peticiones URL con la ruta de URL completa, lo que expone m\u00e1s informaci\u00f3n que ser\u00eda enviada al propio proxy en el caso de HTTPS. Normalmente, el archivo PAC es especificado por el usuario o propietario de la m\u00e1quina y se cree que no es malicioso, pero si un usuario tiene WPAD (Web Proxy Auto Detect) habilitado, este archivo puede servirse de forma remota. La vulnerabilidad afecta a Firefox en versiones anteriores a la 51."}], "id": "CVE-2017-5384", "lastModified": "2026-06-17T01:20:22.060", "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": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-11T21:29:03.217", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95763"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037693"}, {"source": "security@mozilla.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1255474"}, {"source": "security@mozilla.org", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://www.contextis.com//resources/blog/leaking-https-urls-20-year-old-vulnerability/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-01/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95763"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037693"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1255474"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://www.contextis.com//resources/blog/leaking-https-urls-20-year-old-vulnerability/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-01/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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