CVE-2022-43608
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 10.03 printers.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.83% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- canon/mf644cdw firmware
- Source
- zdi-disclosures@trendmicro.com
References
- https://www.psirt.canon/advisory-information/cve-2022-43608_20221125Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1666/Third Party Advisory, VDB Entry
- https://www.psirt.canon/advisory-information/cve-2022-43608_20221125Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1666/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.