CVE-2021-3190 : What You Need to Know
Learn about CVE-2021-3190 affecting async-git package in Node.js, enabling OS Command Injection via shell metacharacters like git.reset and git.tag. Explore impact, mitigation, and prevention.
The async-git package before version 1.13.2 for Node.js is impacted by an OS Command Injection vulnerability, allowing attackers to execute arbitrary commands via shell metacharacters like git.reset and git.tag.
Understanding CVE-2021-3190
This section provides insights into the nature of the CVE-2021-3190 vulnerability.
What is CVE-2021-3190?
The CVE-2021-3190 vulnerability exists in the async-git package before version 1.13.2 for Node.js, enabling attackers to perform OS Command Injection using shell metacharacters.
The Impact of CVE-2021-3190
The presence of the CVE-2021-3190 vulnerability allows threat actors to execute arbitrary commands via affected functions like git.reset and git.tag within the Node.js environment.
Technical Details of CVE-2021-3190
In this section, we delve into the technical aspects of the CVE-2021-3190 vulnerability.
Vulnerability Description
The vulnerability in async-git before version 1.13.2 for Node.js enables OS Command Injection through shell metacharacters, offering attackers the ability to run arbitrary commands.
Affected Systems and Versions
The async-git package versions prior to 1.13.2 for Node.js are affected by this vulnerability, potentially impacting systems using these outdated versions.
Exploitation Mechanism
Threat actors can exploit this vulnerability by injecting malicious commands via shell metacharacters like git.reset and git.tag.
Mitigation and Prevention
This section outlines the necessary steps to mitigate and prevent exploitation of CVE-2021-3190.
Immediate Steps to Take
Users should upgrade the async-git package to version 1.13.2 or newer to eliminate the vulnerability and enhance security.
Long-Term Security Practices
Implementing secure coding practices, input validation mechanisms, and regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security updates and patches released by the package maintainers to stay protected against potential vulnerabilities.