ZDI-CAN-16032: Canon imageCLASS MF644Cdw BJNP Integer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Canon imageCLASS MF644Cdw |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-16032?
The severity of ZDI-CAN-16032 is critical due to the potential for arbitrary code execution by network-adjacent attackers.
How do I fix ZDI-CAN-16032?
To fix ZDI-CAN-16032, ensure that your Canon imageCLASS MF644Cdw printer firmware is updated to the latest version provided by Canon.
What type of attacks can be executed through ZDI-CAN-16032?
ZDI-CAN-16032 allows network-adjacent attackers to execute arbitrary code on affected printers without requiring authentication.
Which devices are affected by ZDI-CAN-16032?
ZDI-CAN-16032 specifically affects Canon imageCLASS MF644Cdw printers.
Is authentication required to exploit ZDI-CAN-16032?
No, authentication is not required to exploit the vulnerability identified as ZDI-CAN-16032.
- agent/references
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-1666
- alias/ZDI-CAN-16032
- alias/CVE-2022-43608
- agent/software-canonical-lookup
- agent/weakness
- agent/severity
- agent/title
- agent/type
- agent/description
- agent/event
- agent/tags
- agent/source
- vendor/canon
- canonical/canon imageclass mf644cdw