Vulnerability identifier: #VU50832

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-2020-7794

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

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

Vendor: laegel

Description

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

The vulnerability exists due to improper input validation in lib/index.js in the exported function install(requestedModule). A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.

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

Vulnerable software versions

buns: 1.0.0 - 1.1.6

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External links
http://snyk.io/vuln/SNYK-JS-BUNS-1050389

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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.