Vulnerabilities > CVE-2023-45811 - Unspecified vulnerability in Relative Synchrony 2.0.1/2.4.3
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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 `[email protected]`. 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
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 2 |
References
- https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40
- 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/GHSA-jg82-xh3w-rhxx
- https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts
- https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts