Vulnerability identifier: #VU26638

Vulnerability risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:C]

CVE-ID: CVE-2020-7616

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
express-mock-middleware
Web applications / Modules and components for CMS

Vendor: LingyuCoder

Description

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

The vulnerability exists due to improper input validation in exported functions by the package. A remote attacker can send a specially crafted request and add or modify properties of Object.prototype.

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

Vulnerable software versions

express-mock-middleware: 0.0.1 - 0.0.6

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External links
http://snyk.io/vuln/SNYK-JS-EXPRESSMOCKMIDDLEWARE-564120
http://github.com/LingyuCoder/express-mock-middleware/blob/master/lib/index.js#L39

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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.