CVE-2024-57077: utils-extend Prototype Pollution Vulnerability
Summary
CVE-2024-57077: utils-extend Prototype Pollution. Affects utils-extend versions < 1.0.8. No fix is published. How to fix ↓
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Background
utils-extend is a popular npm package that provides utility functions for extending objects. It allows developers to merge properties from one or more source objects into a target object, facilitating easier object manipulation in JavaScript applications. However, the package has a critical vulnerability that allows for prototype pollution, which can lead to severe security issues.
Vulnerability Detail
The vulnerability in utils-extend arises from its entry function(s) lib.extend, which can be exploited through a crafted payload that includes an Object.prototype setter. This allows an attacker to introduce or modify properties within the global prototype chain. The consequences of this vulnerability can range from denial of service (DoS) to more severe impacts, such as data manipulation or application crashes. The vulnerability has been classified under CWE-1321, indicating its nature of allowing unintended modifications to object prototypes.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, avoid using the vulnerable functions of the utils-extend package until you can update to a secure version. Additionally, consider implementing input validation to sanitize any user-supplied data that may be passed to the extend function.
Conclusion
The utils-extend package has a critical vulnerability (CVE-2024-57077) that allows for prototype pollution, posing significant risks to applications that utilize it. It is essential to update to a patched version to mitigate these risks. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
See every vulnerability recorded for utils-extend →
FAQ
Prototype pollution is a security vulnerability that allows an attacker to manipulate the prototype of a base object, potentially leading to unexpected behavior in applications.
You can use tools like Vulert to monitor your package-lock.json file for vulnerabilities. Additionally, you can check the Vulert playground to see if your application is affected by this specific vulnerability.
The impacts can range from denial of service (DoS) to unauthorized data manipulation, which can compromise the integrity and security of your application.
Yes, a patch is available. You should update to a version of utils-extend that is higher than 1.0.8 to mitigate the vulnerability.
If you cannot update the package immediately, implement input validation to sanitize user inputs and avoid using the vulnerable functions until you can perform the update.
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