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Sandbox Breakout / Prototype Pollution in notevil

Moderate severity GitHub Reviewed Published Sep 4, 2020 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

npm notevil (npm)

Affected versions

< 1.3.3

Patched versions

1.3.3

Description

Versions of notevil prior to 1.3.3 are vulnerable to Sandbox Escape leading to Prototype pollution. The package fails to restrict access to the main context, allowing attacker to add or modify an object's prototype.

Evaluating the payload try{a[b];}catch(e){e.constructor.constructor('return __proto__.arguments.callee.__proto__.polluted=true')()} add the polluted property to Function.

Recommendation

Upgrade to version 1.3.3 or later.

References

Reviewed Aug 31, 2020
Published to the GitHub Advisory Database Sep 4, 2020
Last updated Jan 9, 2023

Severity

Moderate

Weaknesses

CVE ID

No known CVE

GHSA ID

GHSA-9gxr-rhx6-4jgv

Source code

No known source code
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