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:
Thanks to @arkark (Takeshi Kaneko) of GMO Cybersecurity by Ierae, Inc. for disclosing this 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
3.9.18ofvm2.Workarounds
None.
References
PoC - https://gist.github.com/arkark/e9f5cf5782dec8321095be3e52acf5ac
For more information
If you have any questions or comments about this advisory:
Thanks to @arkark (Takeshi Kaneko) of GMO Cybersecurity by Ierae, Inc. for disclosing this vulnerability.