In vm2 for versions up to 3.9.19, Promise
handler sanitization can be bypassed with @@species
accessor property allowing attackers to escape the sandbox and run arbitrary code.
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.
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.