Integer overflow in Canon Imageclass Mf644cdw
CVE-2022-43608
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 10.03 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. Was ZDI-CAN-16032.
Vulnerability class: Integer Overflow
EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Canon Imageclass Mf644cdw — versions 10.03
- Canon Mf644cdw
- Canon Mf644cdw_firmware — versions 10.03
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory)
- zdi-disclosures@trendmicro.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-43608?
- CVE-2022-43608 is a high-severity vulnerability in Canon Imageclass Mf644cdw, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2023-03-29.
- How severe is CVE-2022-43608?
- High severity. CVSS v3 base score is 8.8 out of 10.