CVE-2020-26274 : Exploit Details and Defense Strategies

In systeminformation (npm package) before version 4.31.1, a command injection vulnerability exists. The issue was resolved in version 4.31.1 by implementing a shell string sanitation fix.

Understanding CVE-2020-26274

This CVE involves a command injection vulnerability in the systeminformation npm package.

What is CVE-2020-26274?

The vulnerability in systeminformation before version 4.31.1 allows for command injection, potentially leading to unauthorized access or data manipulation.

The Impact of CVE-2020-26274

The vulnerability has a CVSS base score of 6.4, indicating a medium severity issue with low confidentiality and integrity impacts.

Technical Details of CVE-2020-26274

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is classified as CWE-78, involving improper neutralization of special elements used in an OS command (OS Command Injection).

Affected Systems and Versions

Product: systeminformation
Vendor: sebhildebrandt
Affected Version: < 4.31.1

Exploitation Mechanism

The vulnerability can be exploited through network access with low privileges required, allowing for the injection of malicious commands.

Mitigation and Prevention

To address CVE-2020-26274, follow these mitigation steps:

Immediate Steps to Take

Update systeminformation to version 4.31.1 or later.
Monitor for any unusual system behavior indicating exploitation.

Long-Term Security Practices

Regularly update software packages to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.