Vulnerability Details CVE-2023-45811
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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.8%
CVSS Severity
CVSS v3 Score 8.1
References
- https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40
- https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx
- https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts
- https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40
- https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx
- https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts
Products affected by CVE-2023-45811
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cpe:2.3:a:relative:synchrony:2.0.1
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cpe:2.3:a:relative:synchrony:2.1.0
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cpe:2.3:a:relative:synchrony:2.1.1
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cpe:2.3:a:relative:synchrony:2.1.2
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cpe:2.3:a:relative:synchrony:2.1.3
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cpe:2.3:a:relative:synchrony:2.1.4
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cpe:2.3:a:relative:synchrony:2.1.5
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cpe:2.3:a:relative:synchrony:2.2.0
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cpe:2.3:a:relative:synchrony:2.3.0
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cpe:2.3:a:relative:synchrony:2.4.0
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cpe:2.3:a:relative:synchrony:2.4.1
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cpe:2.3:a:relative:synchrony:2.4.2
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cpe:2.3:a:relative:synchrony:2.4.3