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GHSA-p5gc-c584-jj6v: vm2 vulnerable to Inspect Manipulation

In versions 3.9.17 and lower of vm2 it was possible to get a read-write reference to the node inspect method and edit options for console.log.

Impact

A threat actor can edit options for console.log.

Patches

This vulnerability was patched in the release of version 3.9.18 of vm2.

Workarounds

After creating a vm make the inspect method readonly with vm.readonly(inspect).

References

PoC - https://gist.github.com/arkark/c1c57eaf3e0a649af1a70c2b93b17550

For more information

If you have any questions or comments about this advisory:

  • Open an issue in VM2

Thanks to @arkark (Takeshi Kaneko) of GMO Cybersecurity by Ierae, Inc. for disclosing this vulnerability.

ghsa
#vulnerability#nodejs#git

Package

npm vm2 (npm)

Affected versions

< 3.9.18

Patched versions

3.9.18

Description

In versions 3.9.17 and lower of vm2 it was possible to get a read-write reference to the node inspect method and edit options for console.log.

Impact

A threat actor can edit options for console.log.

Patches

This vulnerability was patched in the release of version 3.9.18 of vm2.

Workarounds

After creating a vm make the inspect method readonly with vm.readonly(inspect).

References

PoC - https://gist.github.com/arkark/c1c57eaf3e0a649af1a70c2b93b17550

For more information

If you have any questions or comments about this advisory:

  • Open an issue in VM2

Thanks to @arkark (Takeshi Kaneko) of GMO Cybersecurity by Ierae, Inc. for disclosing this vulnerability.

References

  • GHSA-p5gc-c584-jj6v
  • https://nvd.nist.gov/vuln/detail/CVE-2023-32313
  • patriksimek/vm2@5206ba2
  • https://gist.github.com/arkark/c1c57eaf3e0a649af1a70c2b93b17550
  • https://github.com/patriksimek/vm2/releases/tag/3.9.18

patriksimek published to patriksimek/vm2

May 15, 2023

Published to the GitHub Advisory Database

May 17, 2023

Reviewed

May 17, 2023

Last updated

May 17, 2023

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CVE-2023-32313: Inspect method should be readonly · patriksimek/vm2@5206ba2

vm2 is a sandbox that can run untrusted code with Node's built-in modules. In versions 3.9.17 and lower of vm2 it was possible to get a read-write reference to the node `inspect` method and edit options for `console.log`. As a result a threat actor can edit options for the `console.log` command. This vulnerability was patched in the release of version `3.9.18` of `vm2`. Users are advised to upgrade. Users unable to upgrade may make the `inspect` method readonly with `vm.readonly(inspect)` after creating a vm.