CVE-2023-29199 — There exists a vulnerability in source code transformer (exception sanitization
There exists a vulnerability in source code transformer (exception sanitization logic) of vm2 for versions up to 3.9.15, allowing attackers to bypass `handleException()` and leak unsanitized host exceptions which can be used to escape the sandbox and run arbitrary code in host co
Published
2023-04-14T18:37:03.847Z
Last modified
2025-02-06T18:45:07.573Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
01What is this vulnerability?
There exists a vulnerability in source code transformer (exception sanitization logic) of vm2 for versions up to 3.9.15, allowing attackers to bypass `handleException()` and leak unsanitized host exceptions which can be used to escape the sandbox and run arbitrary code in host context. A threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the…
02Affected products
| Vendor | Product | Versions |
|---|
| patriksimek | vm2 | < 3.9.16 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-04-14T18:37:03.847Z
- Last modified: 2025-02-06T18:45:07.573Z
09References
- github.com — https://github.com/patriksimek/vm2/security/advisories/GHSA-xj72-wvfv-8985
- github.com — https://github.com/patriksimek/vm2/issues/516
- github.com — https://github.com/patriksimek/vm2/commit/24c724daa7c09f003e556d7cd1c7a8381cb985…
- gist.github.com — https://gist.github.com/leesh3288/f05730165799bf56d70391f3d9ea187c
- github.com — https://github.com/patriksimek/vm2/releases/tag/3.9.16
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