CVE-2023-3712 : Vulnerability Insights and Analysis

This CVE record was published by Honeywell on July 17, 2023, and updated on September 12, 2023. The vulnerability identified in this CVE is related to privilege escalation in Honeywell PM43 printers running on 32-bit ARM architecture, specifically affecting the Printer web page modules.

Understanding CVE-2023-3712

This section will delve into the details of CVE-2023-3712, discussing what the vulnerability entails and its potential impact.

What is CVE-2023-3712?

CVE-2023-3712 is a Files or Directories Accessible to External Parties vulnerability in Honeywell PM43 printers where 32-bit ARM architecture is utilized for the Printer web page modules. This flaw allows for Privilege Escalation. The issue affects PM43 versions before P10.19.050004. To mitigate the risk, affected users are advised to update their printer firmware to at least version MR19.5 (e.g., P10.19.050006).

The Impact of CVE-2023-3712

The impact of this vulnerability lies in the potential for Privilege Escalation, as highlighted by CAPEC-233.

Technical Details of CVE-2023-3712

In this section, we will explore the technical aspects of CVE-2023-3712, including vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows external parties to access files or directories on Honeywell PM43 printers, leading to Privilege Escalation.

Affected Systems and Versions

The vulnerability affects various Honeywell printer models, such as PM23/43, PC23/43, PM42, PX4ie/6ie, PX45/65, PD45, PX240, PX940, PM45, RP2f/RP4f, running versions prior to specific firmware versions.

Exploitation Mechanism

The vulnerability can be exploited by malicious external parties to gain unauthorized access to files or directories, ultimately escalating their privileges on the affected printers.

Mitigation and Prevention

Mitigating CVE-2023-3712 involves taking immediate action and implementing long-term security measures to protect affected systems.

Immediate Steps to Take

Update the affected printer firmware to the latest available version, like MR19.5 (e.g., P10.19.050006).
Monitor and restrict access to files and directories on the printers to prevent unauthorized access.

Long-Term Security Practices

Regularly update firmware and security patches for the printers to address any vulnerabilities promptly.
Implement network segmentation and access controls to limit exposure to external threats.

Patching and Updates

Honeywell provides firmware updates to address the CVE-2023-3712 vulnerability, ensuring that users can secure their printers and prevent Privilege Escalation exploits.