CVE-2024-27980: Critical Node.js Update Patches Windows Command Injection Flaw

The Node.js project has released an urgent security update addressing a critical command injection vulnerability (CVE-2024-27980) on Windows systems. Even with ‘shell’ options disabled, this flaw could allow attackers to execute malicious code on affected machines.

How the CVE-2024-27980 Vulnerability Works

• Targeting Batch Files: The vulnerability centers around the way Node.js handles .bat files (Windows batch files) when executing code through the ‘child_process.spawn’ or ‘child_process.spawnSync’ functions.
• Bypassing Safeguards: Attackers can inject malicious commands into specially crafted command-line arguments, bypassing the intended security restrictions that are meant to be in place when the ‘shell’ option is disabled.
• Consequence: Remote Code Execution: Successful exploitation could give attackers the ability to remotely run arbitrary commands on a vulnerable system.

Who Is Affected?

• Windows Users: This vulnerability specifically targets Node.js installations running on Windows operating systems.
• All Active Versions Impacted: The flaw exists in supported Node.js release lines (18.x, 20.x, 21.x).

The Importance of Patching

The “High” severity rating assigned to this vulnerability indicates the potential for serious consequences. Here’s why you should prioritize this update:

• Ease of Exploitation: The Node.js project states that this flaw can be exploited, making quick action essential.
• Remote Code Execution: Attackers could gain significant control over a compromised system, including the ability to install malware, steal data, or disrupt operations.

What to Do

1. Upgrade ASAP: Update Node.js installations on your Windows systems to the patched versions now available. Follow the official Node.js project channels for the most up-to-date release information.
2. Review Your Code: If you use ‘child_process.spawn’ or related functions, review your input handling to ensure that command-line arguments cannot be tampered with. Consider additional validation and sanitization measures.