Plattform
nodejs
Komponente
braces
Behoben in
3.0.3
3.0.3
CVE-2024-4068 affects the braces NPM package, a popular utility for generating patterns. This vulnerability stems from a failure to limit the number of characters processed during input parsing, leading to a memory exhaustion condition. A malicious user can exploit this by providing "imbalanced braces" as input, triggering an uncontrolled heap allocation loop and ultimately causing the program to crash. The vulnerability impacts versions prior to 3.0.3 and has been published on 2024-05-14.
The primary impact of CVE-2024-4068 is a denial-of-service (DoS) condition. An attacker can reliably crash applications utilizing the vulnerable braces package by sending specially crafted input containing imbalanced braces. This crash can disrupt service availability and potentially lead to data loss if the application is critical. While direct data exfiltration isn't possible through this vulnerability, the DoS can be used as a distraction for other malicious activities or to target systems with limited resources. The blast radius is dependent on the number of applications using the vulnerable braces package, potentially impacting a wide range of projects and services.
CVE-2024-4068 was published on 2024-05-14. The EPSS score is currently pending evaluation. Public proof-of-concept (PoC) exploits are likely to emerge given the ease of triggering the vulnerability. Monitor NPM package dependencies and consider using automated vulnerability scanning tools to identify and remediate instances of the vulnerable braces package.
Applications built with Node.js that directly or indirectly depend on the braces package, particularly those handling user-supplied input without proper validation, are at risk. This includes web applications, command-line tools, and any other Node.js-based software utilizing the braces package for string manipulation or pattern matching.
• nodejs / server:
npm list braces• nodejs / server:
npm audit• nodejs / server: Check application logs for errors related to memory allocation or heap exhaustion. • nodejs / server: Monitor process resource usage (CPU, memory) for sudden spikes indicative of memory exhaustion.
disclosure
Exploit-Status
EPSS
0.22% (45% Perzentil)
CISA SSVC
CVSS-Vektor
The primary mitigation for CVE-2024-4068 is to upgrade the braces package to version 3.0.3 or later. This version includes a fix that limits the number of characters processed during input parsing, preventing the uncontrolled heap allocation. If upgrading immediately is not feasible, consider implementing input validation to sanitize user-provided strings and prevent the injection of imbalanced braces. While not a complete solution, this can reduce the likelihood of exploitation. After upgrading, confirm the fix by attempting to parse a string containing deliberately imbalanced braces; the application should not crash.
Actualice el paquete `braces` a la versión 3.0.3 o superior. Esto se puede hacer ejecutando `npm install braces@latest` o `yarn upgrade braces@latest` en su proyecto. Asegúrese de verificar que la actualización no cause conflictos con otras dependencias.
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CVE-2024-4068 is a high-severity vulnerability in the braces Node.js package where malicious input can cause memory exhaustion, leading to application crashes. It affects versions 3.0.0 through 3.0.2.
You are affected if your project uses the braces Node.js package version 3.0.0, 3.0.1, or 3.0.2. Check your project dependencies immediately.
Upgrade the braces package to version 3.0.3 or later using npm: npm install [email protected].
There is currently no confirmed active exploitation, but the vulnerability's simplicity makes it a potential target.
Refer to the npm advisory for CVE-2024-4068: https://www.npmjs.com/advisories/1533
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