CVE-2022-43590 Null dereference in CBFS Filter

Medium 6.2 Published Updated

A specially crafted I/O request packet can trigger a null pointer dereference in CBFS Filter, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-43590?

CVE-2022-43590 is a medium-severity vulnerability in Callback technologies CBFS Filter, published on 28 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A null pointer dereference vulnerability exists in the handle_ioctl_0x830a0_systembuffer functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability.

Weakness: CWE-476

Which versions are affected by CVE-2022-43590?

It affects 1 product.

Products include Callback Cbfs Filter.

How do I fix CVE-2022-43590?

No fix has been published for CVE-2022-43590 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-43590 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-43590 exists.

Sources

Also known as GHSA-f3q8-93gp-933x.

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