CVE-2023-30547

high-risk
Published 2023-04-17

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.

Do I need to act?

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83.6% chance of exploitation in next 30 days
EPSS score — higher than 16% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 4f63dc23fecabc79ee1501fde6e9e83c524d6466
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Vm2

Affected Vendors

Vm2 Project

References (8)

Exploit https://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244
Patch https://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea0...
Patch https://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880ed...
Exploit https://github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m
Exploit https://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244
Patch https://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea0...
Patch https://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880ed...
Exploit https://github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m
57
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal