Multiple out-of-bounds write vulnerabilities in Canon Office/Small Office Multifunction Printers and Laser Printers


Office/Small Office Multifunction Printers and Laser Printers provided by Canon Inc. contain multiple out-of-bounds write vulnerabilities (CWE-787, CVE-2023-6229, CVE-2023-6230, CVE-2023-6231, CVE-2023-6232, CVE-2023-6233, CVE-2023-6234, CVE-2024-0244).

Canon Inc. reported these vulnerabilities to JPCERT/CC to notify users of the solutions through JVN.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 9.8 (Critical) [Other]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products

  • (multiple product)

A wide range of products and versions are affected.
For more information, refer to "Vendor Status" section below.

A remote attacker may execute an arbitrary code and/or cause a denial-of-service (DoS) condition.

[Update the firmware]
Update the firmware to the latest version according to the information provided by the developer.

[Apply the Workaround]
Apply the following workarounds to prevent access from untrusted entities.

* Use the product in an environment protected by a firewall, etc.
* Use the product with a private IP address
Vendor Information

CWE (What is CWE?)

  1. Out-of-bounds Write(CWE-787) [Other]
CVE (What is CVE?)

  1. CVE-2023-6229
  2. CVE-2023-6230
  3. CVE-2023-6231
  4. CVE-2023-6232
  5. CVE-2023-6233
  6. CVE-2023-6234
  7. CVE-2024-0244

  1. JVN : JVNVU#90033405
  2. National Vulnerability Database (NVD) : CVE-2023-6229
  3. National Vulnerability Database (NVD) : CVE-2023-6230
  4. National Vulnerability Database (NVD) : CVE-2023-6231
  5. National Vulnerability Database (NVD) : CVE-2023-6232
  6. National Vulnerability Database (NVD) : CVE-2023-6233
  7. National Vulnerability Database (NVD) : CVE-2023-6234
  8. National Vulnerability Database (NVD) : CVE-2024-0244
Revision History

  • [2024/02/07]
      Web page was published
  • [2024/03/08]
      References : Contents were added