Absolute Path Traversal in Avast Antivirus and AVG Antivirus - CVE-2022-4173
Published: December 28, 2022
Vulnerability identifier: #VU70525
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-4173
CWE-ID: CWE-36
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insecure file path processing within the malware removal functionality. A local user can remove arbitrary files on the system and escalate privileges.
Affected software
Avast Antivirus
AVG Antivirus
AVG Antivirus
How to mitigate CVE-2022-4173
Install updates from vendor's website.
Avast Antivirus - update to 22.10
AVG Antivirus - update to 22.10
AVG Antivirus - update to 22.10