Vulnerability identifier: #VU28970

Vulnerability risk: High

CVSSv3.1: 9.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]

CVE-ID: CVE-2020-7672

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

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

Vendor: 4y0

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in "roperties" argument in the "eval" function. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

mosc: 1.0.0

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External links
http://snyk.io/vuln/SNYK-JS-MOSC-571492
http://github.com/4y0/mosc/blob/master/mosc.js

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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.