Service Notice: Regarding Vulnerability Measure Against Buffer Overflow for Laser Printers and Small Office Multifunctional Printers


Update: 02.16.24

Canon U.S.A., Inc. has recently become aware of potential multiple buffer overflow vulnerabilities in the Canon Laser Printers and Small Office Multifunctional Printers listed under Affected models below. If the product is connected directly to the internet without using a wired or Wi-Fi router, a third party could potentially execute arbitrary code, or the product could be subjected to a Denial-of-Service (DoS) attack. Below are the associated CVE numbers.

CVE-2023-6229

CVE-2023-6233

CVE-2023-6230

CVE-2023-6234

CVE-2023-6231

  CVE-2024-0244*

CVE-2023-6232

 


Affected models:

imageCLASS MF Series
MF1238 II^
MF1333C
MF1440^^
MF1643i II^/MF1643iF II^
MF275DW^/MF273DW^/MF272DW^
MF465DW^^/MF462DW^^
MF455DW^/MF453DW^/MF452DW^/MF451DW^
MF753CDW/MF751CDW
MF656CDW^^/MF654CDW^^/MF653CDW^^/MF652CW^^

imageCLASS LBP Series
LBP122DW^
LBP1238 II^
LBP1333C
LBP1440^^
LBP247DW^^/LBP246DW^^
LBP237DW^/LBP236DW^
LBP633CDW^^/LBP632CDW^^
LBP674CDW

Legend
* CVE-2024-0244 is currently resolved for the Color imageCLASS MF753Cdw and MF1333C.
^ Added on 2.09.24  
^^ Added on 2.16.24

Note: If we determine that additional products could potentially be impacted by this matter, we will issue an updated Service Notice.

Firmware download:
Please proceed to https://www.usa.canon.com/support or click on the Affected model link above to navigate to the latest firmware. Once here, change the Type filter to Firmware, then download and install the latest version.

Furthermore, if you have not done so already, we recommend that you set up a private IP address for products and create a network environment with a firewall or Wi-Fi router that can restrict network access.

In addition, please check “Regarding security for products connected to a network” in the URL below for other security measures that can be used with your Canon products.

https://global.canon/en/support/security/prd-secu.html

Thank you,
Customer Support
Canon U.S.A., Inc.

 

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