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object-path@0.7.0 vulnerabilities

Access deep object properties using a path

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Direct Vulnerabilities

Known vulnerabilities in the object-path package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Prototype Pollution

object-path is a package to access deep properties using a path

Affected versions of this package are vulnerable to Prototype Pollution. A type confusion vulnerability can lead to a bypass of CVE-2020-15256 when the path components used in the path parameter are arrays. In particular, the condition currentPath === '__proto__' returns false if currentPath is ['__proto__']. This is because the === operator returns always false when the type of the operands is different.

PoC

const objectPath = require('object-path');

objectPath.withInheritedProps.set({}, [['__proto__'], 'polluted'], 'yes');
console.log(polluted); // yes

How to fix Prototype Pollution?

Upgrade object-path to version 0.11.6 or higher.

<0.11.6
  • H
Prototype Pollution

object-path is a package to access deep properties using a path

Affected versions of this package are vulnerable to Prototype Pollution. The setPath function can be used to add/modify properties of the Object prototype.

PoC

const setPath = require('object-path-set');
const obj = {};
console.log("Before : " + obj.polluted);
setPath({}, '__proto__.polluted', 'yes');
console.log("After : " + obj.polluted);

How to fix Prototype Pollution?

Upgrade object-path to version 0.11.5 or higher.

<0.11.5
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