CVE-2021-23375 : What You Need to Know

A detailed overview of CVE-2021-23375, a vulnerability impacting the 'psnode' package, allowing attackers to execute arbitrary commands.

Understanding CVE-2021-23375

This CVE, identified as 'Arbitrary Command Injection,' affects all versions of the 'psnode' package, enabling attackers to run arbitrary commands by leveraging unfiltered user input.

What is CVE-2021-23375?

CVE-2021-23375 is an arbitrary command injection vulnerability found in the 'psnode' package that arises when untrusted user input is passed to the kill function, enabling threat actors to execute malicious commands. The issue stems from the lack of input sanitization in the child_process exec function.

The Impact of CVE-2021-23375

With a CVSS v3.1 base score of 7.3 (High), this vulnerability poses a significant threat. Attackers can exploit this flaw without requiring any special privileges, potentially leading to the execution of unauthorized commands on the target system.

Technical Details of CVE-2021-23375

Explore the technical aspects of this vulnerability to understand how it affects systems and what steps can be taken to mitigate the risk.

Vulnerability Description

The vulnerability allows threat actors to insert and execute arbitrary commands by using attacker-controlled user input with the kill function, leveraging the child_process exec function.

Affected Systems and Versions

All versions of the 'psnode' package are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by providing malicious user input to the kill function, enabling the execution of unauthorized commands on the target system.

Mitigation and Prevention

Learn about the immediate and long-term actions that organizations can take to safeguard their systems against CVE-2021-23375.

Immediate Steps to Take

To address this issue promptly, users are advised to implement input validation mechanisms and avoid passing untrusted data directly to system functions.

Long-Term Security Practices

Establishing comprehensive input sanitization measures and conducting regular security audits can help prevent similar vulnerabilities in the future.

Patching and Updates

Users should apply patches and updates released by the package maintainers to address this vulnerability effectively.