---
cve: "CVE-2023-6232"
severity: "CRITICAL"
cvss: 9.8
epss: "1.5%"
vendor: "Canon Inc."
kev: false
exploited: false
published: "2024-02-06 01:15:08"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-24T20:55:21+02:00"
---

# CVE-2023-6232

> 9.8 CRITICAL

## Beschreibung

Buffer overflow in the Address Book username process in authentication of Mobile Device Function of Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code.*: Satera LBP670C Series/Satera MF750C Series firmware v03.07 and earlier sold in Japan. Color imageCLASS LBP674C/Color imageCLASS X LBP1333C/Color imageCLASS MF750C Series/Color imageCLASS X MF1333C Series firmware v03.07 and earlier sold in US. i-SENSYS LBP673Cdw/C1333P/i-SENSYS MF750C Series/C1333i Series firmware v03.07 and earlier sold in Europe.

## CNA-Record (Kanon, cvelistV5)

- CNA: **Canon**
- State: PUBLISHED
- Stand: 2025-06-17 21:29:27
- CNA-CVSS: **9.8** (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-787** — Out-of-bounds Write
  The product writes data past the end, or before the beginning, of the intended buffer.

## Referenzen

- <https://psirt.canon/advisory-information/cp2024-001/>
- <https://canon.jp/support/support-info/240205vulnerability-response>
- <https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Vulnerability-Measure-Against-Buffer-Overflow-for-Laser-Printers-and-Small-Office-Multifunctional-Printers>
- <https://www.canon-europe.com/support/product-security-latest-news/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2023-6232/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_