CVE-2023-43646

HIGH

get-func-name <2.0.1 - DoS

Title source: llm

Description

get-func-name is a module to retrieve a function's name securely and consistently both in NodeJS and the browser. Versions prior to 2.0.1 are subject to a regular expression denial of service (redos) vulnerability which may lead to a denial of service when parsing malicious input. This vulnerability can be exploited when there is an imbalance in parentheses, which results in excessive backtracking and subsequently increases the CPU load and processing time significantly. This vulnerability can be triggered using the following input: '\t'.repeat(54773) + '\t/function/i'. This issue has been addressed in commit `f934b228b` which has been included in releases from 2.0.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Exploits (1)

nomisec WORKING POC
by 200101WhoAmI · poc
https://github.com/200101WhoAmI/CVE-2023-43646

Scores

CVSS v3 8.6
EPSS 0.0164
EPSS Percentile 82.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-1333 CWE-400
Status published
Products (2)
chaijs/get-func-name < 2.0.1
npm/get-func-name 0 - 2.0.1npm
Published Sep 27, 2023
Tracked Since Feb 18, 2026