Absolute Path Traversal in Avast Antivirus and AVG Antivirus - CVE-2022-4173

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Main Vulnerability Database Vulnerabilities #VU70525

Absolute Path Traversal in Avast Antivirus and AVG Antivirus - CVE-2022-4173

Published: December 28, 2022


Vulnerability identifier: #VU70525
CSH Severity: Low
CVSS v4.0: 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/E:P/U:Clear
CVE-ID: CVE-2022-4173
CWE-ID: CWE-36
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Avast Software s.r.o.
Affected software:
Avast Antivirus
AVG Antivirus

Detailed vulnerability description

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.


How to mitigate CVE-2022-4173

Install updates from vendor's website.

Sources