Headline
GHSA-whpj-8f3w-67p5: vm2 Sandbox Escape vulnerability
A sandbox escape vulnerability exists in vm2 for versions up to 3.9.17. It abuses an unexpected creation of a host object based on the specification of Proxy
.
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 3.9.18
of vm2
.
Workarounds
None.
References
PoC - https://gist.github.com/arkark/e9f5cf5782dec8321095be3e52acf5ac
For more information
If you have any questions or comments about this advisory:
- Open an issue in VM2
Thanks to @arkark (Takeshi Kaneko) of GMO Cybersecurity by Ierae, Inc. for disclosing this vulnerability.
Package
npm vm2 (npm)
Affected versions
< 3.9.18
Patched versions
3.9.18
Description
A sandbox escape vulnerability exists in vm2 for versions up to 3.9.17. It abuses an unexpected creation of a host object based on the specification of Proxy.
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 3.9.18 of vm2.
Workarounds
None.
References
PoC - https://gist.github.com/arkark/e9f5cf5782dec8321095be3e52acf5ac
For more information
If you have any questions or comments about this advisory:
- Open an issue in VM2
Thanks to @arkark (Takeshi Kaneko) of GMO Cybersecurity by Ierae, Inc. for disclosing this vulnerability.
References
- GHSA-whpj-8f3w-67p5
- patriksimek/vm2@d88105f
- https://github.com/patriksimek/vm2/releases/tag/3.9.18
patriksimek published to patriksimek/vm2
May 15, 2023
Published to the GitHub Advisory Database
May 15, 2023
Reviewed
May 15, 2023
Last updated
May 15, 2023
Severity
Critical
9.8
/ 10
CVSS base metrics
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
No CWEs
CVE ID
CVE-2023-32314
GHSA ID
GHSA-whpj-8f3w-67p5
Source code
patriksimek/vm2
Credits
- arkark Analyst
Checking history
See something to contribute? Suggest improvements for this vulnerability.
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vm2 is a sandbox that can run untrusted code with Node's built-in modules. A sandbox escape vulnerability exists in vm2 for versions up to and including 3.9.17. It abuses an unexpected creation of a host object based on the specification of `Proxy`. As a result 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 `3.9.18` of `vm2`. Users are advised to upgrade. There are no known workarounds for this vulnerability.