7.8 - CVE-2023-45811

Executive Summary

Informations
Name	CVE-2023-45811	First vendor Publication	2023-10-17
Vendor	Cve	Last vendor Modification	2023-10-25

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score	7.8
Base Score	7.8	Environmental Score	7.8
impact SubScore	5.9	Temporal Score	7.8
Exploitabality Sub Score	1.8

Attack Vector	Local	Attack Complexity	Low
Privileges Required	Low	User Interaction	None
Scope	Unchanged	Confidentiality Impact	High
Integrity Impact	High	Availability Impact	High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score	N/A	Attack Range	N/A
Cvss Impact Score	N/A	Attack Complexity	N/A
Cvss Expoit Score	N/A	Authentication	N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-45811

CPE : Common Platform Enumeration

Type	Description	Count
Application	Relative Synchrony cpe:2.3:a:relative:synchrony::::::nodejs::*	1

Sources (Detail)

Source	Url
MISC	https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb... https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx https://github.com/relative/synchrony/security/advisories/src/transformers/li...