CVE-2023-1491 Max Secure Anti Virus Plus IoControlCode MaxCryptMon.sys 0x220020 access control

Medium 4.4 Published 18 Mar 2023 Updated 2 Aug 2024

Local attackers can exploit improper access controls in the MaxCryptMon.sys driver to escalate privileges on systems running Max Secure Anti Virus Plus.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-1491?

CVE-2023-1491 is a medium-severity missing authorization vulnerability in Max Secure Anti Virus Plus, published on 18 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in Max Secure Anti Virus Plus 19.0.2.1. It has been classified as critical. This affects the function 0x220020 in the library MaxCryptMon.sys of the component IoControlCode Handler. The manipulation leads to improper access controls. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier VDB-223377 was assigned to this vulnerability.

Weakness: CWE-284

Which versions are affected by CVE-2023-1491?

It affects 1 product.

Products include Maxpcsecure Anti Virus Plus.

How do I fix CVE-2023-1491?

No fix has been published for CVE-2023-1491 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-1491 being exploited?

There is no known exploitation of CVE-2023-1491 in the wild and no public exploit code.

Sources

Also known as GHSA-f57v-37vr-p3jw.