CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
Percentile
88.1%
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
.
None.
Github Issue - https://github.com/patriksimek/vm2/issues/516
PoC - https://gist.github.com/leesh3288/f05730165799bf56d70391f3d9ea187c
If you have any questions or comments about this advisory:
Thanks to Xion (SeungHyun Lee) of KAIST Hacking Lab for disclosing this vulnerability.
gist.github.com/leesh3288/f05730165799bf56d70391f3d9ea187c
github.com/patriksimek/vm2
github.com/patriksimek/vm2/commit/24c724daa7c09f003e556d7cd1c7a8381cb985d7
github.com/patriksimek/vm2/issues/516
github.com/patriksimek/vm2/releases/tag/3.9.16
github.com/patriksimek/vm2/security/advisories/GHSA-xj72-wvfv-8985
nvd.nist.gov/vuln/detail/CVE-2023-29199