CVE-2022-43589 Null dereference in CBFS Filter

Medium 6.2 Published Updated

A null pointer dereference in CBFS Filter allows attackers to cause denial of service via a crafted I/O request packet.

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-2022-43589?

CVE-2022-43589 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_8314C 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-2022-43589?

It affects 1 product.

Products include Callback Cbfs Filter.

How do I fix CVE-2022-43589?

No fix has been published for CVE-2022-43589 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-43589 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-43589 exists.

Sources

Also known as GHSA-7q7j-vrxc-wv26.

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