| CVE ID | CVE-2023-0852 |
| 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 MF743Cdw |
| VULNERABILITY DETAILS |
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF743Cdw printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Authorization header provided to the /mls/rls-login/basic endpoint. 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 the device. |
| ADDITIONAL DETAILS |
Canon has issued an update to correct this vulnerability. More details can be found at:
https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Vulnerabilities-Remediation-Against-Buffer-Overflow |
| DISCLOSURE TIMELINE |
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| CREDIT | Nicolas Devillers, Jean-Romain Garnier, Mouad Abouhali |
