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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Canon Imageclass Mf644cdw — versions 10.03
- Canon Mf644cdw
- Canon Mf644cdw Firmware — versions 10.03
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-22-1666/ (VDB Entry, Third Party Advisory)
- www.psirt.canon/advisory-information/cve-2022-43608_20221125 (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.