CVE-2023-0853 Memory corruption in Canon Office/Small Office Multifunction Printers and Laser Printers

Critical 9.8 Published Updated

A buffer overflow in Canon printers allows network attackers to execute arbitrary code or cause denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-0853?

CVE-2023-0853 is a critical memory corruption vulnerability in Canon Office/Small Office Multifunction Printers and Laser Printers, published on 11 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in mDNS NSEC record registering 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.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2023-0853?

It affects 45 products.

Products include Canon I-Sensys Lbp621cw Firmware, Canon I-Sensys Lbp623cdw Firmware, Canon I-Sensys Lbp633cdw Firmware, Canon I-Sensys Lbp664cx Firmware, Canon I-Sensys Mf641cw Firmware, Canon I-Sensys Mf643cdw Firmware and 39 more.

How do I fix CVE-2023-0853?

No fix has been published for CVE-2023-0853 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-0853 being exploited?

There is no known exploitation of CVE-2023-0853 in the wild and no public exploit code.

Sources

Also known as GHSA-w39m-p65m-fg87.

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