Zero-day vulnerability in Vesta Control Panel

Backdoor

VestaCP repository was compromised around May 2018 and contained malware at least until June 2018. As a result, user's credentials, generated by VestaCP, and other information were stolen by the attackers.

Known malware:

Linux/ChachaDDoS

Vulnerability details

Advisory: SB2018101908 - Backdoor in Vesta Control Panel

Vulnerable component: Vesta Control Panel

CVE-ID:

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

CWE-ID: CWE-912 - Hidden Functionality (Backdoor)

Description:

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to presence of a backdoor code in the official vendor's repository since May 2018 until at least June 2018. All users that installed vesta panel between May and June are affected.

External links:

https://www.welivesecurity.com/2018/10/18/new-linux-chachaddos-malware-distributed-servers-vestacp-i...

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.