10 High
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
0.005 Low
EPSS
Percentile
76.0%
In vm2 for versions up to 3.9.19, Promise
handler sanitization can be bypassed, allowing attackers to escape the sandbox and run arbitrary code.
Remote Code Execution, assuming the attacker has arbitrary code execution primitive inside the context of vm2 sandbox.
None.
None.
PoC - https://gist.github.com/leesh3288/f693061e6523c97274ad5298eb2c74e9
If you have any questions or comments about this advisory:
Thanks to Xion (SeungHyun Lee) of KAIST Hacking Lab for disclosing this vulnerability.