CVE-2020-28503: Prototype Pollution in copy-props
Summary
CVE-2020-28503: Prototype Pollution in copy-props. Affects copy-props versions < 2.0.5. Fixed in 2.0.5. How to fix ↓
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Background
The copy-props package is an npm package that provides functionality for copying properties from one object to another. It is commonly used in JavaScript applications to facilitate object manipulation and data copying. However, versions of copy-props before 2.0.5 are vulnerable to Prototype Pollution, a type of vulnerability that allows an attacker to modify the prototype of an object and potentially execute arbitrary code.
Vulnerability Detail
The vulnerability in copy-props arises from improper handling of user-supplied input. By manipulating the properties of an object, an attacker can pollute the prototype chain and introduce malicious behavior. This can lead to a range of security issues, including remote code execution, data tampering, and denial of service attacks. The severity of this vulnerability is rated as HIGH with a CVSS score of 7.3.
How To Fix
Minimum fixed version
2.0.5
This is the first release that contains the fix.
npm install copy-props@2.0.5Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is crucial to update to the fixed version of the package to mitigate the risk of exploitation.
Conclusion
The copy-props package before version 2.0.5 is vulnerable to Prototype Pollution, which can have severe security implications. It is crucial to update to the fixed version of the package (2.0.5 or later) to mitigate the risk of exploitation. For further assistance and support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for copy-props →
FAQ
Prototype Pollution is a vulnerability that allows an attacker to modify the prototype of an object, leading to potential security issues.
This vulnerability can result in remote code execution, data tampering, and denial of service attacks.
Yes, upgrading to version 2.0.5 or later of the copy-props package fixes this vulnerability.
No, updating to the fixed version of the package is the only recommended solution.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply provide your package-lock.json file, and Vulert will analyze it for vulnerabilities.
