PT-2022-26981 · Canon · Canon Imageclass Mf644Cdw

Angelboy · Published 2022-12-15 · Updated 2023-04-08 · CVE-2022-43608

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Canon imageCLASS MF644Cdw version 10.03

Description This issue allows network-adjacent attackers to execute arbitrary code on affected installations. Authentication is not required to exploit this issue. The specific flaw exists within the BJNP service, resulting from the lack of proper validation of user-supplied data, which can cause an integer overflow before allocating a buffer. An attacker can leverage this issue to execute code in the context of root.

Recommendations For Canon imageCLASS MF644Cdw version 10.03, as a temporary workaround, consider disabling the BJNP service until a patch is available. Restrict access to the BJNP service to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2022-43608

ZDI-22-1666

Affected Products

Canon Imageclass Mf644Cdw

References · 4

• https://zerodayinitiative.com/advisories/ZDI-22-1666 · Security Note
• https://psirt.canon/advisory-information/cve-2022-43608_20221125 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-43608 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-43608 · Security Note