#VU67205 Improper access control in vm2 - CVE-2022-36067

Vulnerability identifier: #VU67205

Vulnerability risk: High

CVSSv4.0: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2022-36067

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
vm2
Web applications / Modules and components for CMS

Vendor: Patrik Simek

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass the sandbox protections and execute arbitrary code on the host running the sandbox.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

vm2: 3.9.0 - 3.9.10

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External links
https://github.com/patriksimek/vm2/commit/d9a7f3cc995d3d861e1380eafb886cb3c5e2b873#diff-b1a515a627d820118e76d0e323fe2f0589ed50a1eacb490f6c3278fe3698f164
https://github.com/patriksimek/vm2/issues/467
https://github.com/patriksimek/vm2/blob/master/lib/setup-sandbox.js#L71
https://github.com/patriksimek/vm2/security/advisories/GHSA-mrgp-mrhc-5jrq

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.