CVE-2023-37466
vm2 Sandbox Escape vulnerability
Description
In vm2 for versions up to 3.9.19, `Promise` handler sanitization can be bypassed, allowing 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 - https://gist.github.com/leesh3288/f693061e6523c97274ad5298eb2c74e9 ### 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-2023-37466
To remediate CVE-2023-37466, upgrade the affected package to a fixed version below.
- —upgrade to 3.10.0 or later
Is CVE-2023-37466 being exploited?
Low — EPSS is 4.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.10.0
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 |