CVE-2023-0854: canon inc. canon office/small office multifunction printers and laser printers Heap-based Buffer Overflow

Vulnerability summary

CVE-2023-0854 is a critical (CVSS 9.8) Heap-based Buffer Overflow vulnerability in canon inc. canon office/small office multifunction printers and laser printers. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 66.7% of scored vulnerabilities.

Timeline

1. 11-05-2023
   PublishedVulnerability first disclosed.
2. 10-02-2025
   Last modifiedVulnerability information updated.

Description

Buffer overflow in NetBIOS QNAME registering and communication process of Office / Small 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 LBP660C Series/LBP620C Series/MF740C Series/MF640C Series firmware Ver.11.04 and earlier sold in Japan. Color imageCLASS LBP660C Series/LBP 620C Series/X LBP1127C/MF740C Series/MF640C Series/X MF1127C firmware Ver.11.04 and earlier sold in US. i-SENSYS LBP660C Series/LBP620C Series/MF740C Series/MF640C Series, C1127P, C1127iF, C1127i firmware Ver.11.04 and earlier sold in Europe.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.