Vulnerability identifier: #VU62828

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26522

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Avast Antivirus
Client/Desktop applications / Antivirus software/Personal firewalls
AVG Antivirus
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor:

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://www.sentinelone.com/labs/10-year-old-vulnerabilities-in-avast-and-avg-put-millions-at-risk/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.