CVE-2020-1896

{"containers": {"cna": {"affected": [{"product": "Hermes", "vendor": "Facebook", "versions": [{"status": "affected", "version": "commit prior to 86543ac47e59c522976b5632b8bf9a2a4583c7d2"}]}], "descriptions": [{"lang": "en", "value": "A stack overflow vulnerability in Facebook Hermes 'builtin apply' prior to commit 86543ac47e59c522976b5632b8bf9a2a4583c7d2 (https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2) allows attackers to potentially execute arbitrary code 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-121", "description": "CWE-121: Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-03-11T14:25:42.000Z", "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.facebook.com/security/advisories/cve-2020-1896"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve-assign@fb.com", "DATE_ASSIGNEDE": "2021-02-01", "ID": "CVE-2020-1896", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Hermes", "version": {"version_data": [{"version_value": "commit prior to 86543ac47e59c522976b5632b8bf9a2a4583c7d2"}]}}]}, "vendor_name": "Facebook"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A stack overflow vulnerability in Facebook Hermes 'builtin apply' prior to commit 86543ac47e59c522976b5632b8bf9a2a4583c7d2 (https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2) allows attackers to potentially execute arbitrary code 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-121: Stack-based Buffer Overflow"}]}]}, "references": {"reference_data": [{"name": "https://www.facebook.com/security/advisories/cve-2020-1896", "refsource": "CONFIRM", "url": "https://www.facebook.com/security/advisories/cve-2020-1896"}, {"name": "https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2", "refsource": "CONFIRM", "url": "https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:53:59.880Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.facebook.com/security/advisories/cve-2020-1896"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2"}]}]}, "cveMetadata": {"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "assignerShortName": "facebook", "cveId": "CVE-2020-1896", "datePublished": "2021-02-02T06:50:11.000Z", "dateReserved": "2019-12-02T00:00:00.000Z", "dateUpdated": "2024-08-04T06:53:59.880Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Hermes", "vendor": "Facebook", "versions": [{"status": "affected", "version": "commit prior to 86543ac47e59c522976b5632b8bf9a2a4583c7d2"}]}], "source": "cve-assign@fb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD236EB4-8261-478C-8244-5E4646753E44", "versionEndExcluding": "0.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A stack overflow vulnerability in Facebook Hermes 'builtin apply' prior to commit 86543ac47e59c522976b5632b8bf9a2a4583c7d2 (https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2) allows attackers to potentially execute arbitrary code 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": "Una vulnerabilidad de desbordamiento de la pila en Facebook Hermes 'builtin apply' anterior al commit 86543ac47e59c522976b5632b8bf9a2a4583c7d2 (https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2) permite ejecutar un JavaScript potencialmente arbitrario. Tome en cuenta que esto solo es explotable si la aplicaci\u00f3n que usa Hermes permite una evaluaci\u00f3n de JavaScript no confiable. Por lo tanto, la mayor\u00eda de las aplicaciones React Native no est\u00e1n afectadas"}], "id": "CVE-2020-1896", "lastModified": "2026-06-17T03:02:34.443", "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": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-02T07:15:13.333", "references": [{"source": "cve-assign@fb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2"}, {"source": "cve-assign@fb.com", "tags": ["Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2020-1896"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2020-1896"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "cve-assign@fb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

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