CVE-2022-24673 Memory corruption in imageCLASS MF644Cdw

High 8.8 Published 28 Mar 2023 Updated 19 Feb 2025

Remote attackers can execute arbitrary code with root privileges on Canon imageCLASS printers via a stack-based buffer overflow in the SLP protocol.

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-2022-24673?

CVE-2022-24673 is a high-severity memory corruption vulnerability in Canon imageCLASS MF644Cdw, published on 28 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 remote attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 10.02 printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the SLP protocol. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15845.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2022-24673?

It affects 76 products.

Products include Canon 1435i\+ Firmware, Canon 1435if\+ Firmware, Canon 1435if Firmware, Canon 1435p\+ Firmware, Canon 1435p Firmware, Canon D1520 Firmware and 70 more.

How do I fix CVE-2022-24673?

No fix has been published for CVE-2022-24673 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-24673 being exploited?

There is no known exploitation of CVE-2022-24673 in the wild and no public exploit code.

Sources

Also known as GHSA-w85v-q239-vpx6.