CVE-2019-9121 Explained : Impact and Mitigation
Learn about CVE-2019-9121, a Command Injection vulnerability on Motorola C1 and M2 devices allowing remote attackers to execute unauthorized code and gain root access. Find out how to mitigate and prevent this security risk.
A Command Injection vulnerability on Motorola C1 and M2 devices allows remote attackers to execute unauthorized code and gain root access.
Understanding CVE-2019-9121
What is CVE-2019-9121?
This vulnerability enables attackers to run arbitrary OS commands by exploiting untrusted input in the SetSmartQoSSettings API function.
The Impact of CVE-2019-9121
The vulnerability allows remote attackers to execute unauthorized code and potentially gain root access on affected devices.
Technical Details of CVE-2019-9121
Vulnerability Description
The issue affects firmware versions 1.01 and 1.07 of Motorola C1 and M2 devices, respectively, allowing attackers to execute arbitrary code.
Affected Systems and Versions
- Motorola C1 firmware version 1.01
- Motorola M2 firmware version 1.07
Exploitation Mechanism
- Attackers exploit the vulnerability by using shell metacharacters in the smartqos_priority_devices field of a crafted /HNAP1 POST request.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by the vendor to fix the Command Injection vulnerability.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update firmware and software to prevent known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security updates from Motorola and apply them promptly to secure the devices.