CVE-2019-7301 Explained : Impact and Mitigation

In Zen Load Balancer version 3.10.1, admin users who are authenticated and accessing remotely can gain the ability to run arbitrary commands with root privileges by exploiting shell metacharacters in the certname parameter of the index.cgi?action=View_Cert endpoint.

Understanding CVE-2019-7301

Zen Load Balancer 3.10.1 allows remote authenticated admin users to execute arbitrary commands as root via shell metacharacters in the index.cgi?action=View_Cert certname parameter.

What is CVE-2019-7301?

This CVE refers to a vulnerability in Zen Load Balancer version 3.10.1 that enables remote authenticated admin users to execute arbitrary commands with root privileges.

The Impact of CVE-2019-7301

The exploitation of this vulnerability can lead to unauthorized execution of commands with elevated privileges, posing a significant security risk to the affected systems.

Technical Details of CVE-2019-7301

Zen Load Balancer version 3.10.1 is susceptible to the following technical details:

Vulnerability Description

Admin users authenticated remotely can exploit shell metacharacters in the certname parameter of the index.cgi?action=View_Cert endpoint to run arbitrary commands as root.

Affected Systems and Versions

Product: Zen Load Balancer
Version: 3.10.1

Exploitation Mechanism

The vulnerability can be exploited by manipulating the certname parameter in the specified endpoint to execute unauthorized commands with root privileges.

Mitigation and Prevention

To address CVE-2019-7301, consider the following mitigation strategies:

Immediate Steps to Take

Disable remote access for admin users if not required.
Implement strict input validation to prevent the injection of shell metacharacters.

Long-Term Security Practices

Regularly update Zen Load Balancer to the latest version to patch known vulnerabilities.

Patching and Updates

Apply security patches provided by Zen Load Balancer promptly to mitigate the risk of exploitation.