CVE-2023-30547
vm2 Sandbox Escape vulnerability
Description
There exists a vulnerability in exception sanitization of vm2 for versions up to 3.9.16, allowing attackers to raise an unsanitized host exception inside `handleException()` which can be used to escape the sandbox and run arbitrary code in host context. ### Impact A threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the sandbox. ### Patches This vulnerability was patched in the release of version `3.9.17` of `vm2`. ### Workarounds None. ### References PoC - https://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244 ### 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-2023-30547
To remediate CVE-2023-30547, upgrade the affected package to a fixed version below.
- —upgrade to 3.9.17 or later
Is CVE-2023-30547 being exploited?
Likely — EPSS is 83.7%, placing CVE-2023-30547 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 3.9.17
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 |