CVE-2023-29199
criticalpriority · track · 41EPSS 0.039 · 90 %ileDEEURUUSEPSS · scored 2026-10-27
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 sandbox. This vulnerability was patched in the release of version `3.9.16` of `vm2`.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-1004vm2: Mehrere SchwachstellenDeutsch2023-04-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in vm2 ausnutzen, um aus der Sandbox auszubrechen und beliebigen Code im Host-Kontext auszuführen.
- GHSA-xj72-wvfv-8985vm2 Sandbox Escape vulnerability2023-04-12ghsa · osvUS
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. ### 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 `3.9.16` of `vm2`. ### Workarounds None. ### References Github Issue - https://github.com/patriksimek/vm2/issues/516 PoC - https://gist.github.com/leesh3288/f05730165799bf56d70391f3d9ea187c ### 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.
also known as (4)
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sources
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references (18)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-29199/cnnvd
- https://gist.github.com/leesh3288/f05730165799bf56d70391f3d9ea187ccnnvd
- https://github.com/patriksimek/vm2/commit/24c724daa7c09f003e556d7cd1c7a8381cb985d7cnnvd
- https://github.com/patriksimek/vm2/issues/516cnnvd
- https://github.com/patriksimek/vm2/releases/tag/3.9.16cnnvd
- https://github.com/patriksimek/vm2/security/advisories/GHSA-xj72-wvfv-8985cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.2262cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.2323cnnvd
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