CVE-2020-10789 : Exploit Details and Defense Strategies

openITCOCKPIT before 3.7.3 has a vulnerability that allows attackers to execute arbitrary OS commands.

Understanding CVE-2020-10789

This CVE involves a web-based terminal in openITCOCKPIT that mishandles shell metacharacters, enabling the execution of arbitrary OS commands.

What is CVE-2020-10789?

The vulnerability in openITCOCKPIT before version 3.7.3 permits attackers to run unauthorized OS commands through the mishandling of shell metacharacters in the app/Lib/SudoMessageInterface.php file.

The Impact of CVE-2020-10789

The exploitation of this vulnerability can lead to unauthorized execution of commands on the affected system, potentially resulting in data breaches, system compromise, and unauthorized access.

Technical Details of CVE-2020-10789

openITCOCKPIT before 3.7.3 is susceptible to a command execution vulnerability due to mishandling of shell metacharacters.

Vulnerability Description

The issue arises from improper handling of shell metacharacters in the su command line within the SudoMessageInterface.php file.

Affected Systems and Versions

Product: openITCOCKPIT
Version: < 3.7.3

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious shell metacharacters in the web-based terminal, allowing them to execute unauthorized OS commands.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2020-10789.

Immediate Steps to Take

Update openITCOCKPIT to version 3.7.3 or newer to patch the vulnerability.
Monitor system logs for any suspicious activities indicating exploitation attempts.
Restrict access to the web-based terminal to authorized personnel only.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security audits and penetration testing to identify and remediate potential weaknesses.
Educate users on secure coding practices and the risks of command injection vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates for openITCOCKPIT to prevent exploitation of this vulnerability.