CVE-2020-13694 : Exploit Details and Defense Strategies

QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8 allows the local www-data user to execute sudo mysql without a password, enabling arbitrary OS command execution via the mysql -e option.

Understanding CVE-2020-13694

In this CVE, a vulnerability in QuickBox Community and Pro Editions allows unauthorized execution of OS commands by the www-data user.

What is CVE-2020-13694?

The flaw permits the www-data user to run sudo mysql without a password, leading to the execution of arbitrary commands through the mysql -e option.

The Impact of CVE-2020-13694

This vulnerability enables an attacker to execute unauthorized OS commands, potentially leading to system compromise or data loss.

Technical Details of CVE-2020-13694

QuickBox's security issue is detailed below.

Vulnerability Description

The flaw in QuickBox allows the www-data user to execute sudo mysql without a password, facilitating unauthorized OS command execution.

Affected Systems and Versions

QuickBox Community Edition through 2.5.5
QuickBox Pro Edition through 2.1.8

Exploitation Mechanism

The vulnerability allows the www-data user to execute arbitrary OS commands via the mysql -e option.

Mitigation and Prevention

Protect your systems from CVE-2020-13694 with the following steps.

Immediate Steps to Take

Restrict sudo privileges for the www-data user
Monitor and audit mysql commands for unusual activities

Long-Term Security Practices

Implement the principle of least privilege for user accounts
Regularly update and patch QuickBox installations
Conduct security assessments and penetration testing

Patching and Updates

Apply security patches and updates provided by QuickBox to address the vulnerability.