CVE-2019-5424 : Exploit Details and Defense Strategies
Learn about CVE-2019-5424, a vulnerability in Ubiquiti Networks EdgeSwitch X allowing privileged users to execute shell commands via SSH, potentially leading to unauthorized access and control. Find mitigation steps and preventive measures here.
In previous versions of Ubiquiti Networks EdgeSwitch X (v1.1.0 and earlier), a user with high privileges has the ability to run any shell commands through the SSH CLI interface. This grants the user the ability to execute shell commands as the root user.
Understanding CVE-2019-5424
In Ubiquiti Networks EdgeSwitch X v1.1.0 and prior, a privileged user can execute arbitrary shell commands over the SSH CLI interface. This allows executing shell commands under the root user.
What is CVE-2019-5424?
CVE-2019-5424 is a vulnerability in Ubiquiti Networks EdgeSwitch X that enables a user with high privileges to run shell commands through the SSH CLI interface, potentially leading to unauthorized access and control.
The Impact of CVE-2019-5424
This vulnerability allows a privileged user to execute arbitrary shell commands as the root user, posing a significant security risk by granting unauthorized access and control over the system.
Technical Details of CVE-2019-5424
In-depth technical information about the vulnerability.
Vulnerability Description
The vulnerability in EdgeSwitch X allows a user with high privileges to execute shell commands via SSH CLI, potentially leading to unauthorized access and control as the root user.
Affected Systems and Versions
- Product: EdgeMAX
- Vendor: Ubiquiti Networks
- Versions Affected: EdgeSwitch X prior to v1.1.1
Exploitation Mechanism
The vulnerability enables a privileged user to exploit the SSH CLI interface to execute arbitrary shell commands, gaining unauthorized access and control over the system.
Mitigation and Prevention
Protecting systems from CVE-2019-5424.
Immediate Steps to Take
- Update to version v1.1.1 or later to mitigate the vulnerability.
- Restrict SSH access to trusted users only.
- Monitor and review SSH activity for any suspicious commands.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities.
- Implement the principle of least privilege to restrict user access rights.
- Conduct security audits and penetration testing to identify and address potential vulnerabilities.
Patching and Updates
Ensure timely installation of security patches and updates provided by Ubiquiti Networks to address the CVE-2019-5424 vulnerability.