Permissions, Privileges, and Access Controls in Avast Antivirus and AVG Antivirus - CVE-2022-26522
Published: May 5, 2022
Vulnerability identifier: #VU62828
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:U/U:Clear
CVE-ID: CVE-2022-26522
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Avast Software s.r.o.
Affected software:
Avast Antivirus
AVG Antivirus
Avast Antivirus
AVG Antivirus
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the "Anti Rootkit" driver within the kernel driver "aswArPot.sys" in aswArPot+0xc4a3, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2022-26522
Install updates from vendor's website.