Advisory Details

May 31st, 2024

Canon imageCLASS MF753Cdw setResource Buffer Overflow Remote Code Execution Vulnerability

ZDI-24-562
ZDI-CAN-22557

CVE ID CVE-2023-6234
CVSS SCORE 8.8, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Canon
AFFECTED PRODUCTS imageCLASS MF753Cdw
VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF753Cdw printers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the CADM service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device.

ADDITIONAL DETAILS Canon has issued an update to correct this vulnerability. More details can be found at:
https://www.canon-europe.com/support/product-security-latest-news/
DISCLOSURE TIMELINE
  • 2023-12-04 - Vulnerability reported to vendor
  • 2024-05-31 - Coordinated public release of advisory
CREDIT YingMuo (@YingMuo), working with DEVCORE Internship Program.
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