CVE-2019-9120 : What You Need to Know

Motorola C1 and M2 devices with firmware versions 1.01 and 1.07 are affected by a Command Injection vulnerability that allows remote attackers to execute arbitrary code and gain root shell access.

Understanding CVE-2019-9120

This CVE involves a critical security issue on Motorola C1 and M2 devices that can be exploited by attackers to run malicious code.

What is CVE-2019-9120?

A Command Injection vulnerability on Motorola C1 and M2 devices with specific firmware versions allows unauthorized remote code execution, potentially leading to a complete system compromise.

The Impact of CVE-2019-9120

Attackers can exploit this vulnerability to execute arbitrary operating system commands remotely.
Successful exploitation could result in unauthorized access with elevated privileges, compromising the device's security.

Technical Details of CVE-2019-9120

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from unchecked input processing in the SetWLanACLSettings API function, triggered by HNAP API functions, allowing attackers to use shell metacharacters for malicious activities.

Affected Systems and Versions

Motorola C1 devices with firmware version 1.01
Motorola M2 devices with firmware version 1.07

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating a specially crafted /HNAP1 POST request, specifically in the wl(0).(0)_maclist field, to execute arbitrary commands.

Mitigation and Prevention

Protecting systems from CVE-2019-9120 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and software to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Stay informed about security updates from Motorola for the affected devices.
Ensure timely installation of patches to address the Command Injection vulnerability.