Vulnerability · Published Mar 29, 2023 · Assigned by zdi

CVE-2022-43608

High 8.8

In plain English

A high-severity integer overflow in imageCLASS MF644Cdw from Canon. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High

Exploit odds (30 days)0.8%top 42.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Canon	imageCLASS MF644Cdw	10.03

Weakness: CWE-190 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

In plain English

Official description

Affected products (as reported)

References