{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-45811", "ASSIGNER": "security-advisories@github.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "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" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "cweId": "CWE-1321" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "relative", "product": { "product_data": [ { "product_name": "synchrony", "version": { "version_data": [ { "version_affected": "=", "version_value": ">= 2.0.1, < 2.4.4" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx", "refsource": "MISC", "name": "https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx" }, { "url": "https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40", "refsource": "MISC", "name": "https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40" }, { "url": "https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts", "refsource": "MISC", "name": "https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts" } ] }, "source": { "advisory": "GHSA-jg82-xh3w-rhxx", "discovery": "UNKNOWN" }, "impact": { "cvss": [ { "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" } ] } }