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CVE-2023-6234

Canon I-sensys Lbp673cdw Firmware remote code execution

9.8 CRITICALEPSS 1.38%
  1. Published6 Feb 2024

Description

Buffer overflow in CPCA Color LUT Resource Download process 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Canon I-sensys Lbp673cdw Firmware≤ 03.07
Canon I-sensys Mf752cdw Firmware≤ 03.07
Canon I-sensys Mf754cdw Firmware≤ 03.07
Canon I-sensys X C1333if Firmware≤ 03.07
Canon I-sensys X C1333i Firmware≤ 03.07
Canon I-sensys X C1333p Firmware≤ 03.07
Canon Lbp122dw Firmware≤ 03.07
Canon Lbp1238 Ii Firmware≤ 03.07
Canon Lbp1333c Firmware≤ 03.07
Canon Lbp236dw Firmware≤ 03.07
Canon Lbp237dw Firmware≤ 03.07
Canon Lbp671c Firmware≤ 03.07
Canon Lbp672c Firmware≤ 03.07
Canon Lbp674cdw Firmware≤ 03.07
Canon Lbp674c Firmware≤ 03.07
Canon Mf1238 Ii Firmware≤ 03.07
Canon Mf1333c Firmware≤ 03.07
Canon Mf1643if Ii Firmware≤ 03.07
Canon Mf1643i Ii Firmware≤ 03.07
Canon Mf272dw Firmware≤ 03.07
Canon Mf273dw Firmware≤ 03.07
Canon Mf275dw Firmware≤ 03.07
Canon Mf451dw Firmware≤ 03.07
Canon Mf452dw Firmware≤ 03.07

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2023-6234 being actively exploited?

CVE-2023-6234 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.38%.

How severe is CVE-2023-6234?

CVE-2023-6234 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.38% probability of exploitation.

Which products are affected by CVE-2023-6234?

Affected products include Canon I-sensys Lbp673cdw Firmware, Canon I-sensys Mf752cdw Firmware, Canon I-sensys Mf754cdw Firmware, Canon I-sensys X C1333if Firmware, Canon I-sensys X C1333i Firmware, and 19 more.

How do I fix CVE-2023-6234?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-6234 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.