CVE-2021-23561: Prototype Pollution in comb
Summary
CVE-2021-23561: Prototype Pollution in comb. Affects comb versions < 2.0.0. No fix is published. How to fix ↓
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Background
Comb is an npm package that provides utility functions for working with objects and arrays. It is commonly used in JavaScript applications to manipulate and merge data structures. However, all versions of the comb package are vulnerable to Prototype Pollution through the deepMerge() function.
Vulnerability Detail
Prototype Pollution is a vulnerability that allows an attacker to modify the prototype of an object, leading to unexpected behavior and potential security issues. In the case of comb, the deepMerge() function is susceptible to this type of attack. An attacker can craft a malicious payload that manipulates the prototype of an object, causing unexpected changes in the merged data. This can lead to code execution, privilege escalation, or other security breaches.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to update the package to a non-vulnerable version to mitigate the risk of exploitation.
Conclusion
The comb package is vulnerable to Prototype Pollution through the deepMerge() function. To mitigate the risk of exploitation, it is crucial to update the package to a non-vulnerable version, such as 2.0.0. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Prototype Pollution is a vulnerability that allows an attacker to modify the prototype of an object, leading to unexpected behavior and potential security issues.
The deepMerge() function in comb does not properly sanitize user input, allowing an attacker to inject malicious data that manipulates the prototype of an object.
The consequences of this vulnerability can vary depending on the specific application and how the merged data is used. It can lead to code execution, privilege escalation, or other security breaches.
Yes, updating the comb package to version 2.0.0 or any subsequent non-vulnerable version will fix this issue.
There are no known workarounds for this vulnerability. Updating the package to a non-vulnerable version is the recommended solution.
