CVE-2018-5174

{"containers": {"cna": {"affected": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "52.8", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird ESR", "vendor": "Mozilla", "versions": [{"lessThan": "52.8", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "60", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "52.8", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2018-05-09T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the \"SEE_MASK_FLAG_NO_UI\" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and if the user is offline all files will be allowed to be opened because Windows won't prompt the user to ask what to do. Firefox incorrectly sets this flag when downloading files, leading to less secure behavior from SmartScreen. Note: this issue only affects Windows 10 users running the April 2018 update or later. It does not affect other Windows users or other operating systems. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8."}], "problemTypes": [{"descriptions": [{"description": "Windows Defender SmartScreen UI runs with less secure behavior for downloaded files in Windows 10 April 2018 Update", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-06-12T09:57:01.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1447080"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-13/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-11/"}, {"name": "1040896", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1040896"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-12/"}, {"name": "104136", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/104136"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2018-5174", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Thunderbird", "version": {"version_data": [{"version_affected": "<", "version_value": "52.8"}]}}, {"product_name": "Thunderbird ESR", "version": {"version_data": [{"version_affected": "<", "version_value": "52.8"}]}}, {"product_name": "Firefox", "version": {"version_data": [{"version_affected": "<", "version_value": "60"}]}}, {"product_name": "Firefox ESR", "version": {"version_data": [{"version_affected": "<", "version_value": "52.8"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the \"SEE_MASK_FLAG_NO_UI\" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and if the user is offline all files will be allowed to be opened because Windows won't prompt the user to ask what to do. Firefox incorrectly sets this flag when downloading files, leading to less secure behavior from SmartScreen. Note: this issue only affects Windows 10 users running the April 2018 update or later. It does not affect other Windows users or other operating systems. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Windows Defender SmartScreen UI runs with less secure behavior for downloaded files in Windows 10 April 2018 Update"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1447080", "refsource": "CONFIRM", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1447080"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2018-13/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2018-13/"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2018-11/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2018-11/"}, {"name": "1040896", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1040896"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2018-12/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2018-12/"}, {"name": "104136", "refsource": "BID", "url": "http://www.securityfocus.com/bid/104136"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T05:26:47.099Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1447080"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-13/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-11/"}, {"name": "1040896", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1040896"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-12/"}, {"name": "104136", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/104136"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2018-5174", "datePublished": "2018-06-11T21:00:00.000Z", "dateReserved": "2018-01-03T00:00:00.000Z", "dateUpdated": "2024-08-05T05:26:47.099Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "52.8", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird ESR", "vendor": "Mozilla", "versions": [{"lessThan": "52.8", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "60", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "52.8", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "7D3CA9AE-459C-4375-91EB-CD724368798D", "versionEndExcluding": "52.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "1AD89C37-DC57-40D3-80CE-5126A6C142E8", "versionEndExcluding": "60.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "6216B631-0AF7-4438-8575-F23342715F8F", "versionEndExcluding": "52.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*", "matchCriteriaId": "5B2A31F2-59B8-4342-B81D-E85DF72EE51A", "versionEndExcluding": "52.8.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*", "matchCriteriaId": "21540673-614A-4D40-8BD7-3F07723803B0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the \"SEE_MASK_FLAG_NO_UI\" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and if the user is offline all files will be allowed to be opened because Windows won't prompt the user to ask what to do. Firefox incorrectly sets this flag when downloading files, leading to less secure behavior from SmartScreen. Note: this issue only affects Windows 10 users running the April 2018 update or later. It does not affect other Windows users or other operating systems. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8."}, {"lang": "es", "value": "En la actualizaci\u00f3n de Windows 10 de abril de 2018, Windows Defender SmartScreen establece el flag \"SEE_MASK_FLAG_NO_UI\" asociado a los archivos descargados y no mostrar\u00e1 ninguna interfaz de usuario. Los archivos desconocidos y potencialmente peligrosos podr\u00e1n ejecutarse porque SmartScreen no le pedir\u00e1 al usuario que tome una decisi\u00f3n y, si el usuario est\u00e1 desconectado, todos los archivos podr\u00e1n abrirse porque Windows no le preguntar\u00e1 al usuario qu\u00e9 hacer. Firefox establece incorrectamente este flag al descargar archivos, lo que provoca un comportamiento menos seguro desde SmartScreen. Nota: este problema s\u00f3lo afecta a los usuarios de Windows 10 que ejecuten la actualizaci\u00f3n de abril de 2018 o posterior. No afecta a otros usuarios de Windows ni a otros sistemas operativos. Esta vulnerabilidad afecta a las versiones anteriores a la 52.8 de Thunderbird, las versiones anteriores a la 52.8 de Thunderbird ESR, las versiones anteriores a la 60 de Firefox y las versiones anteriores a la 52.8 de Firefox ESR."}], "id": "CVE-2018-5174", "lastModified": "2026-06-17T01:59:46.120", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-11T21:29:15.983", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/104136"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1040896"}, {"source": "security@mozilla.org", "tags": ["Issue Tracking", "Permissions Required", "Third Party Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1447080"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-11/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-12/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-13/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/104136"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1040896"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required", "Third Party Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1447080"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-11/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-12/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2018-13/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Jimmy as the original reporter.", "bugzilla": {"description": "Mozilla: Windows Defender SmartScreen UI runs with less secure behavior for downloaded files in Windows 10 April 2018 Update", "id": "1576274", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1576274"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-451", "details": ["In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the \"SEE_MASK_FLAG_NO_UI\" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and if the user is offline all files will be allowed to be opened because Windows won't prompt the user to ask what to do. Firefox incorrectly sets this flag when downloading files, leading to less secure behavior from SmartScreen. Note: this issue only affects Windows 10 users running the April 2018 update or later. It does not affect other Windows users or other operating systems. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8."], "name": "CVE-2018-5174", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2018-05-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-5174\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-5174\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5174"], "threat_severity": "Moderate"}

{}