Description
vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. There exists a vulnerability in exception sanitization of vm2 for versions up to 3.9.16, allowing attackers to raise an unsanitized host exception inside `handleException()` which can be used to escape the sandbox and run arbitrary code in host context. This vulnerability was patched in the release of version `3.9.17` of `vm2`. There are no known workarounds for this vulnerability. Users are advised to upgrade.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- patriksimek / vm2< 3.9.17 – < 3.9.17
References
- VENDOR_ADVISORYhttps://github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m
- PATCHhttps://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049
- PATCHhttps://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5
- MISChttps://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244