vm2 Sandbox Escape vulnerability

[TheKingTermux]

Description

In vm2 for versions up to 3.9.19, Node.js custom inspect function allows attackers to escape the sandbox and run arbitrary code.

Impact
Remote Code Execution, assuming the attacker has arbitrary code execution primitive inside the context of vm2 sandbox.

Patches
None.

Workarounds
None.

References
PoC is to be disclosed on or after the 5th of September.

Similarity with CVE-2023-37466
While this advisory might look similar to CVE-2023-37466, it is a completely different way of escaping the sandbox.

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.

Severity Check

• Low
• Moderate
• High
• Critical

Severity Number

9.8

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-78
CVE ID
CVE-2023-37903
GHSA ID
GHSA-g644-9gfx-q4q4
Source code
patriksimek/vm2

Information

Package
vm2 (npm)
Affected versions
<= 3.9.19
Patched versions
None

References

GHSA-g644-9gfx-q4q4
https://nvd.nist.gov/vuln/detail/CVE-2023-37903
https://security.netapp.com/advisory/ntap-20230831-0007/