Vulnerability library
Security checkFebruary 01, 2023

Sandbox Breakout / Arbitrary Code Execution in safer-eval - safer-eval - GHSA-r3x4-wr4h-pw33

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High severitynpmsafer-eval

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Description

Versions of safer-eval prior to 1.3.4 are vulnerable to Sandbox Escape leading to Remote Code Execution. A payload using constructor properties can escape the sandbox and execute arbitrary code. For example, evaluating he string console.constructor.constructor('return process')().env prints process.env to the console.

Recommendation

Update the safer-eval package to the latest compatible version. Followings are version details:

  • Affected version(s): < 1.3.4
  • Patched version(s): 1.3.4

References

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See something that needs correcting? Let us knowUpdated February 01, 2023