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GHSA-xj72-wvfv-8985
No affected components available
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
Thanks to Xion (SeungHyun Lee) of KAIST Hacking Lab for disclosing this vulnerability.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.
Active exploitation in the wild has been confirmed. Immediate patching or mitigation is required.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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