CVE-2023-45811

high

Description

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

References

https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts

https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx

https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40

Details

Source: Mitre, NVD

Published: 2023-10-17

Updated: 2023-10-25

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High