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Vulnerability DatabaseCVE-2020-7771
CVE-2020-7771:
JavaScript vulnerability analysis and mitigation
Overview
A prototype pollution vulnerability was discovered in asciitable.js library (CVE-2020-7771). The vulnerability was identified and fixed in December 2020 through a pull request that addressed the prototype pollution issue based on options input (GitHub PR).
Technical details
The vulnerability was related to prototype pollution, which occurs when JavaScript's prototype chain is modified maliciously. The issue was specifically related to how the library handled options input, potentially allowing an attacker to modify object prototypes (GitHub PR).
Impact
Prototype pollution vulnerabilities can lead to property injection or modification of JavaScript object prototypes, potentially affecting the behavior of the application using the library (GitHub PR).
Mitigation and workarounds
The issue was resolved through a patch that prevents prototype pollution based on options input. Users should update to the version that includes commit d4d565b which contains the fix (GitHub PR).
Additional resources
Source: This report was generated using AI
Related JavaScript vulnerabilities:
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