vm2 is a sandbox that can run untrusted code with Node's built-in modules. A sandbox escape vulnerability exists in vm2 for versions up to and including 3.9.17. It abuses an unexpected creation of a host object based on the specification of `Proxy`. As a result a threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the sandbox. This vulnerability was patched in the release of version `3.9.18` of `vm2`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
| Link | Tags |
|---|---|
| https://github.com/patriksimek/vm2/security/advisories/GHSA-whpj-8f3w-67p5 | vendor advisory |
| https://github.com/patriksimek/vm2/commit/d88105f99752305c5b8a77b63ddee3ec86912daf | patch |
| https://gist.github.com/arkark/e9f5cf5782dec8321095be3e52acf5ac | third party advisory exploit |
| https://github.com/patriksimek/vm2/releases/tag/3.9.18 | release notes |