CVE-2022-43608 Integer overflow in imageCLASS MF644Cdw
Network-adjacent attackers can execute arbitrary code with root privileges on Canon imageCLASS printers via an integer overflow in the BJNP 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-2022-43608?
CVE-2022-43608 is a high-severity vulnerability in Canon imageCLASS MF644Cdw, published on 29 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 10.03 printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the BJNP service. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16032.
Weakness: CWE-190
Which versions are affected by CVE-2022-43608?
It affects 1 product.
Products include Canon Mf644cdw Firmware.
How do I fix CVE-2022-43608?
No fix has been published for CVE-2022-43608 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-43608 being exploited?
There is no known exploitation of CVE-2022-43608 in the wild and no public exploit code.
Sources
Also known as GHSA-9922-6549-73mx.