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
Prototype Pollution
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
GitHub_MCNA
8.2 HIGH
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 33%
VendorProductVersion
relativesynchrony
2.0.1 ≤
𝑥
< 2.4.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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