Zero-day vulnerability in Electron Mac App

Embedded malicious code (backdoor)
CVE-2023-29059

Vulnerability details

Advisory: SB2023033062 - Backdoor in 3CX Electron desktop app for Windows and Mac

Vulnerable component: Electron Mac App

CVE-ID: CVE-2023-29059

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-506 - Embedded Malicious Code

Description:

The vulnerability allows a remote attacker to gain unauthorized access to the application.

The vulnerability exists due to presence of embedded malicious functionality in the application code (aka backdoor) that allows a remote attacker to gain unauthorized access to the application.


External links:

https://www.3cx.com/blog/news/desktopapp-security-alert/

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.