{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-45811", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-10-13T12:00:50.437Z", "datePublished": "2023-10-17T22:37:20.249Z", "dateUpdated": "2023-10-17T22:37:20.249Z"}, "containers": {"cna": {"title": "Prototype pollution vulnerability leading to arbitrary code execution in synchrony deobfuscator", "problemTypes": [{"descriptions": [{"cweId": "CWE-1321", "lang": "en", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx"}, {"name": "https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40", "tags": ["x_refsource_MISC"], "url": "https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40"}, {"name": "https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts", "tags": ["x_refsource_MISC"], "url": "https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts"}], "affected": [{"vendor": "relative", "product": "synchrony", "versions": [{"version": ">= 2.0.1, < 2.4.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-10-17T22:37:20.249Z"}, "descriptions": [{"lang": "en", "value": "Synchrony deobfuscator is a javascript cleaner & deobfuscator. A `__proto__` pollution vulnerability exists in versions before v2.4.4. Successful exploitation could lead to arbitrary code execution. A `__proto__` pollution vulnerability exists in the `LiteralMap` transformer allowing crafted input to modify properties in the Object prototype. A fix has been released in `deobfuscator@2.4.4`. Users are advised to upgrade. Users unable to upgrade should launch node with the [--disable-proto=delete][disable-proto] or [--disable-proto=throw][disable-proto] flags\n"}], "source": {"advisory": "GHSA-jg82-xh3w-rhxx", "discovery": "UNKNOWN"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:relative:synchrony:*:*:*:*:*:nodejs:*:*", "matchCriteriaId": "76233930-2DF9-4929-B80B-B2E997EFDACF", "versionEndExcluding": "2.4.4", "versionStartIncluding": "2.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Synchrony deobfuscator is a javascript cleaner & deobfuscator. A `__proto__` pollution vulnerability exists in versions before v2.4.4. Successful exploitation could lead to arbitrary code execution. A `__proto__` pollution vulnerability exists in the `LiteralMap` transformer allowing crafted input to modify properties in the Object prototype. A fix has been released in `deobfuscator@2.4.4`. Users are advised to upgrade. Users unable to upgrade should launch node with the [--disable-proto=delete][disable-proto] or [--disable-proto=throw][disable-proto] flags\n"}, {"lang": "es", "value": "Synchrony deofuscator es un limpiador y desofuscador de JavaScript. Existe una vulnerabilidad de contaminaci\u00f3n `__proto__` en versiones anteriores a la v2.4.4. Una explotaci\u00f3n exitosa podr\u00eda conducir a la ejecuci\u00f3n de c\u00f3digo arbitrario. Existe una vulnerabilidad de contaminaci\u00f3n `__proto__` en el transformador `LiteralMap` que permite que una entrada manipulada modifique las propiedades en el prototipo del objeto. Se ha publicado una soluci\u00f3n en `deobfuscator@2.4.4`. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben iniciar el nodo con los indicadores [--disable-proto=delete][disable-proto] o [--disable-proto=throw][disable-proto]"}], "id": "CVE-2023-45811", "lastModified": "2023-10-25T13:33:35.367", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2023-10-17T23:15:12.487", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx"}, {"source": "security-advisories@github.com", "tags": ["Broken Link"], "url": "https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-1321"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}