CVE-2023-32313 — vm2 is a sandbox that can run untrusted code with Node's built-in modules

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 `

01What is this vulnerability?

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…

02Affected products

Vendor	Product	Versions
patriksimek	vm2	< 3.9.18

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-15T19:45:13.963Z
• Last modified: 2025-01-22T21:42:56.955Z

09References

• github.com — https://github.com/patriksimek/vm2/security/advisories/GHSA-p5gc-c584-jj6v
• github.com — https://github.com/patriksimek/vm2/commit/5206ba25afd86ef547a2c9d48d46ca7a9e6ec2…
• gist.github.com — https://gist.github.com/arkark/c1c57eaf3e0a649af1a70c2b93b17550
• github.com — https://github.com/patriksimek/vm2/releases/tag/3.9.18