{"containers": {"cna": {"affected": [{"product": "Hermes", "vendor": "Facebook", "versions": [{"status": "affected", "version": "commit prior to 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6"}]}], "dateAssigned": "2020-09-09T00:00:00", "descriptions": [{"lang": "en", "value": "An Integer signedness error in the JavaScript Interpreter in Facebook Hermes prior to commit 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6 allows attackers to cause a denial of service attack or a potential RCE via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-195", "description": "CWE-195: Signed to Unsigned Conversion Error", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-09-09T19:00:19", "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.facebook.com/security/advisories/cve-2020-1913"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/facebook/hermes/commit/2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve-assign@fb.com", "DATE_ASSIGNED": "2020-09-09", "ID": "CVE-2020-1913", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Hermes", "version": {"version_data": [{"version_value": "commit prior to 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6"}]}}]}, "vendor_name": "Facebook"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An Integer signedness error in the JavaScript Interpreter in Facebook Hermes prior to commit 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6 allows attackers to cause a denial of service attack or a potential RCE via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-195: Signed to Unsigned Conversion Error"}]}]}, "references": {"reference_data": [{"name": "https://www.facebook.com/security/advisories/cve-2020-1913", "refsource": "CONFIRM", "url": "https://www.facebook.com/security/advisories/cve-2020-1913"}, {"name": "https://github.com/facebook/hermes/commit/2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6", "refsource": "CONFIRM", "url": "https://github.com/facebook/hermes/commit/2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6"}]}}}}, "cveMetadata": {"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "assignerShortName": "facebook", "cveId": "CVE-2020-1913", "datePublished": "2020-09-09T19:00:19", "dateReserved": "2019-12-02T00:00:00", "dateUpdated": "2020-09-09T19:00:19", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*", "matchCriteriaId": "A3895EA2-1ACF-4DBB-AEE6-DE4EFF62F6D0", "versionEndIncluding": "0.4.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An Integer signedness error in the JavaScript Interpreter in Facebook Hermes prior to commit 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6 allows attackers to cause a denial of service attack or a potential RCE via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected."}, {"lang": "es", "value": "Un error en la propiedad signedness de Enteros en el int\u00e9rprete de JavaScript en Facebook Hermes anterior al commit 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6, permite a atacantes causar un ataque de denegaci\u00f3n de servicio o una potencial RCE por medio de un JavaScript dise\u00f1ado. Tome en cuenta que esto solo es explotable si la aplicaci\u00f3n que utiliza Hermes permite la evaluaci\u00f3n del JavaScript que no es de confianza. Por lo tanto, la mayor\u00eda de las aplicaciones React Native no est\u00e1n afectadas."}], "id": "CVE-2020-1913", "lastModified": "2020-09-15T14:56:13.970", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-09T19:15:21.007", "references": [{"source": "cve-assign@fb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebook/hermes/commit/2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6"}, {"source": "cve-assign@fb.com", "tags": ["Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2020-1913"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-681"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-195"}], "source": "cve-assign@fb.com", "type": "Secondary"}]}

{}