CVE-2023-37903
vm2 Sandbox Escape vulnerability
Description
In vm2 for versions up to 3.9.19, Node.js custom inspect function allows attackers to escape the sandbox and run arbitrary code. ### Impact Remote Code Execution, assuming the attacker has arbitrary code execution primitive inside the context of vm2 sandbox. ### Patches None. ### Workarounds None. ### References PoC is to be disclosed on or after the 5th of September. ### Similarity with [CVE-2023-37466](https://nvd.nist.gov/vuln/detail/CVE-2023-37466) While this advisory might look similar to [CVE-2023-37466](https://nvd.nist.gov/vuln/detail/CVE-2023-37466), it is a completely different way of escaping the sandbox. ### For more information If you have any questions or comments about this advisory: - Open an issue in [VM2](https://github.com/patriksimek/vm2) Thanks to [Xion](https://twitter.com/0x10n) (SeungHyun Lee) of [KAIST Hacking Lab](https://kaist-hacking.github.io/) for disclosing this vulnerability.
How to fix CVE-2023-37903
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- —no fix listed
Is CVE-2023-37903 being exploited?
Moderate — EPSS is 40.1%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, <= 3.9.19
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |