CVE-2022-26941 Explained : Impact and Mitigation

A format string vulnerability has been identified in the AT+CTGL command within the Motorola MTM5000 series firmware, potentially leading to arbitrary code execution.

Understanding CVE-2022-26941

This CVE identifies a critical vulnerability in the Motorola MTM5000 series firmware, allowing attackers to exploit a format string vulnerability in the AT+CTGL command.

What is CVE-2022-26941?

CVE-2022-26941 is a format string vulnerability found in the firmware of Motorola's MTM5000 series. This vulnerability arises due to improper handling of attacker-controlled strings, enabling unauthorized code execution.

The Impact of CVE-2022-26941

The exploitation of this vulnerability could result in arbitrary code execution within the teds_app binary, which operates with root privileges. This scenario poses a significant threat to the integrity and availability of the affected systems.

Technical Details of CVE-2022-26941

The vulnerability has been categorized under the CWE-134 classification, relating to the 'Use of Externally-Controlled Format String' problem type.

Vulnerability Description

The vulnerability allows for a write-anything-anywhere situation due to the mishandling of attacker-controllable strings, ultimately enabling malicious code execution.

Affected Systems and Versions

The specific affected product is the Motorola Mobile Radio with the MTM5000 firmware version.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the AT+CTGL command in the firmware, leading to the execution of arbitrary code within the system.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-26941, immediate steps should be taken to secure the affected systems and prevent potential exploitation.

Immediate Steps to Take

It is crucial to apply security patches provided by Motorola to address this vulnerability promptly. Additionally, restricting access to the affected systems can help minimize the risk of exploitation.

Long-Term Security Practices

Implementing robust security measures, such as regular security audits and employee training on best practices, can bolster the overall cybersecurity posture and prevent similar incidents in the future.

Patching and Updates

Stay informed about security updates released by Motorola for the affected MTM5000 series firmware and ensure timely application to safeguard against known vulnerabilities.