CVE-2020-4059 : Exploit Details and Defense Strategies

In mversion before 2.0.0, a command injection vulnerability exists, potentially leading to remote code execution. This CVE has a CVSS base score of 7.3 (High Severity).

Understanding CVE-2020-4059

What is CVE-2020-4059?

CVE-2020-4059 is a command injection vulnerability in mversion before version 2.0.0. It allows for remote code execution if untrusted input is provided to a specific method.

The Impact of CVE-2020-4059

This vulnerability has a base severity of HIGH with a CVSS base score of 7.3. It can be exploited remotely without requiring privileges, potentially leading to code execution.

Technical Details of CVE-2020-4059

Vulnerability Description

The vulnerability arises from improper neutralization of special elements in a command, enabling an attacker to execute arbitrary commands.

Affected Systems and Versions

Product: mversion
Vendor: mikaelbr
Versions Affected: < 2.0.0

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality, Integrity, and Availability Impact: Low

Mitigation and Prevention

Immediate Steps to Take

Upgrade to version 2.0.0 or later to mitigate the vulnerability.
Avoid using untrusted input in the vulnerable method.
Escape git commit messages when utilizing the commitMessage option for the update function.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement input validation and sanitization to prevent command injections.

Patching and Updates

Ensure all dependencies are up to date to address known vulnerabilities.