Advisories for Npm/Localeval package

2020

Sandbox Breakout / Arbitrary Code Execution in localeval

All versions of localeval are vulnerable to Sandbox Escape leading to Remote Code Execution. The package fails to restrict access to the main context through constructor.constructor. This may allow attackers to execute arbitrary code in the system. Evaluating the payload constructor.constructor("return process.env")() returns the contents of process.env.