OS Command Injection in Nick Chan Bot

1) OS Command Injection

EUVDB-ID: #VU26519

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5282

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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 the "npm" command. A remote unauthenticated attacker can execute arbitrary OS commands on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Nick Chan Bot: before 1.0.1 beta

External links

http://github.com/Assfugil/nickchanbot/commit/d7dc87523fc8bb6babbf8d636c339193b236a3ba
http://github.com/Assfugil/nickchanbot/security/advisories/GHSA-8xwp-r7pj-cgw3

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.