CVE-2019-19916

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "In Midori Browser 0.5.11 (on Windows 10), Content Security Policy (CSP) is not applied correctly to all parts of multipart content sent with the multipart/x-mixed-replace MIME type. This could result in script running where CSP should have blocked it, allowing for cross-site scripting (XSS) and other attacks when the product renders the content as HTML. Remediating this would also need to consider the polyglot case, e.g., a file that is a valid GIF image and also valid JavaScript."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-12-20T15:07:12.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/V1n1v131r4/MIME-Confusion-Attack-on-Midori-Browser/blob/master/README.md"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.mozilla.org/security/2016/08/26/mitigating-mime-confusion-attacks-in-firefox/"}, {"tags": ["x_refsource_MISC"], "url": "https://portswigger.net/research/bypassing-csp-using-polyglot-jpegs"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-19916", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In Midori Browser 0.5.11 (on Windows 10), Content Security Policy (CSP) is not applied correctly to all parts of multipart content sent with the multipart/x-mixed-replace MIME type. This could result in script running where CSP should have blocked it, allowing for cross-site scripting (XSS) and other attacks when the product renders the content as HTML. Remediating this would also need to consider the polyglot case, e.g., a file that is a valid GIF image and also valid JavaScript."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/V1n1v131r4/MIME-Confusion-Attack-on-Midori-Browser/blob/master/README.md", "refsource": "MISC", "url": "https://github.com/V1n1v131r4/MIME-Confusion-Attack-on-Midori-Browser/blob/master/README.md"}, {"name": "https://blog.mozilla.org/security/2016/08/26/mitigating-mime-confusion-attacks-in-firefox/", "refsource": "MISC", "url": "https://blog.mozilla.org/security/2016/08/26/mitigating-mime-confusion-attacks-in-firefox/"}, {"name": "https://portswigger.net/research/bypassing-csp-using-polyglot-jpegs", "refsource": "MISC", "url": "https://portswigger.net/research/bypassing-csp-using-polyglot-jpegs"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T02:32:10.084Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/V1n1v131r4/MIME-Confusion-Attack-on-Midori-Browser/blob/master/README.md"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.mozilla.org/security/2016/08/26/mitigating-mime-confusion-attacks-in-firefox/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portswigger.net/research/bypassing-csp-using-polyglot-jpegs"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-19916", "datePublished": "2019-12-20T15:07:12.000Z", "dateReserved": "2019-12-20T00:00:00.000Z", "dateUpdated": "2024-08-05T02:32:10.084Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:midori-browser:midori:0.5.11:*:*:*:*:*:*:*", "matchCriteriaId": "D423908A-8D7A-4B7C-A451-CEEFDE13113D", "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 Midori Browser 0.5.11 (on Windows 10), Content Security Policy (CSP) is not applied correctly to all parts of multipart content sent with the multipart/x-mixed-replace MIME type. This could result in script running where CSP should have blocked it, allowing for cross-site scripting (XSS) and other attacks when the product renders the content as HTML. Remediating this would also need to consider the polyglot case, e.g., a file that is a valid GIF image and also valid JavaScript."}, {"lang": "es", "value": "En Midori Browser versi\u00f3n 0.5.11 (en Windows 10), Content Security Policy (CSP) no se aplica correctamente a todas las partes del contenido multiparte enviado con el tipo MIME multipart/x-mixed-replace. Esto podr\u00eda resultar en que un script se ejecute donde CSP deber\u00eda haberlo bloqueado, permitiendo un ataque de tipo cross-site scripting (XSS) y otros ataques cuando el producto renderiza el contenido como HTML. Remediando esto tambi\u00e9n necesitar\u00eda considerar el caso pol\u00edglota, por ejemplo, un archivo que es una imagen GIF v\u00e1lida y tambi\u00e9n un JavaScript v\u00e1lido."}], "id": "CVE-2019-19916", "lastModified": "2026-06-17T02:27:26.757", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-12-20T16:15:12.233", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://blog.mozilla.org/security/2016/08/26/mitigating-mime-confusion-attacks-in-firefox/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/V1n1v131r4/MIME-Confusion-Attack-on-Midori-Browser/blob/master/README.md"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://portswigger.net/research/bypassing-csp-using-polyglot-jpegs"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://blog.mozilla.org/security/2016/08/26/mitigating-mime-confusion-attacks-in-firefox/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/V1n1v131r4/MIME-Confusion-Attack-on-Midori-Browser/blob/master/README.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://portswigger.net/research/bypassing-csp-using-polyglot-jpegs"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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