Out-of-bounds write in Canon Japan products - CVE-2023-6234

Vulnerability identifier: #VU86182

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-6234

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in CPCA Color LUT Resource Download process. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

LBP674
LBP672
LBP671C
MF755Cdw
MF753Cdw
MF751Cdw
i-SENSYS LBP673Cdw
i-SENSYS MF752Cdw
i-SENSYS MF754Cdw
i-SENSYS X C1333i
i-SENSYS X C1333iF
i-SENSYS X C1333P
MF753CDW
MF751CDW
MF1333C
LBP674CDW
LBP1333C

Install updates from vendor's website.

LBP674 - update to 3.09
LBP672 - update to 3.09
LBP671C - update to 3.09
MF755Cdw - update to 3.09
MF753Cdw - update to 3.09
MF751Cdw - update to 3.09

• https://psirt.canon/advisory-information/cp2024-001/
• https://canon.jp/support/support-info/240205vulnerability-response
• https://jvn.jp/en/vu/JVNVU90033405/index.html
• https://www.zerodayinitiative.com/advisories/ZDI-24-094/
• https://www.zerodayinitiative.com/advisories/ZDI-24-562/

• Multiple vulnerabilities in Canon Japan Small Office Multifunction Printers and Laser Printers
• Multiple vulnerabilities in Canon Europe Small Office Multifunction Printers and Laser Printers
• Multiple vulnerabilities in Canon Canon U.S.A. Small Office Multifunction Printers and Laser Printers