Vulnerability in Patriksimek Vm2
CVE-2023-30547
vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. 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. This vulnerability was patched in the release of version `3.9.17` of `vm2`. There are no known workarounds for this vulnerability. Users are advised to upgrade.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.730 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.721 · newest: 0.730 · change: +0.009
Affected products
- Patriksimek Vm2 — versions < 3.9.17
- Vm2 Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m (Exploit, Vendor Advisory)
- github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049 (Patch)
- github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5 (Patch)
- gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-30547?
- CVE-2023-30547 is a critical-severity vulnerability in Patriksimek Vm2, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2023-04-17.
- How severe is CVE-2023-30547?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-30547 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.