High severity · published Mar 29, 2023
CVE-2022-43608
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 10.03 printers
8.8
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MF
Mf644cdw Firmware · Canon
10.03 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-43608
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-43608
Vendor Advisory
https://www.psirt.canon/advisory-information/cve-2022-43608_20221125
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1666/
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