CVE-2019-9119 : Exploit Details and Defense Strategies

A vulnerability has been found on Motorola C1 and M2 devices that have firmware versions 1.01 and 1.07 respectively. This vulnerability allows a remote attacker to execute arbitrary code and gain a root shell through a Command Injection vulnerability.

Understanding CVE-2019-9119

This CVE involves a Command Injection vulnerability on Motorola C1 and M2 devices, enabling unauthorized code execution.

What is CVE-2019-9119?

The vulnerability allows attackers to execute unauthorized commands on the operating system by sending a specially crafted /HNAP1 POST request.

The Impact of CVE-2019-9119

Attackers can execute arbitrary code and gain a root shell on affected devices.

Technical Details of CVE-2019-9119

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability occurs when any HNAP API function invokes the system function with untrusted input from the request body, specifically in the SetStaticRouteSettings API function.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers exploit the vulnerability by including shell metacharacters in the staticroute_list field.

Mitigation and Prevention

Protecting systems from CVE-2019-9119 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates to fix the vulnerability.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

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

Patching and Updates

Regularly check for firmware updates from Motorola to address the Command Injection vulnerability.