Vulnerability identifier: #VU75367
Vulnerability risk: Medium
CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-74
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 user to bypass implemented security restrictions.
The vulnerability exists due to an error in exception sanitization. A remote user can raise an unsanitized host exception inside "handleException()", which can be used to escape the sandbox and run arbitrary code in host context.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
vm2: 3.9.0 - 3.9.16
External links
http://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5
http://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049
http://github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m
http://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user 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.