#VU55499 OS Command Injection in node-notifier - CVE-2020-7789

Vulnerability identifier: #VU55499

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-7789

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
node-notifier
Web applications / JS libraries

Vendor: Mikael Brevik

Description

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

The vulnerability exists due to improper input validation. 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
Install updates from vendor's website.

Vulnerable software versions

node-notifier: 1.1.0 - 9.0.0

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External links
https://github.com/mikaelbr/node-notifier/blob/master/lib/utils.js%23L303
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050371
https://snyk.io/vuln/SNYK-JS-NODENOTIFIER-1035794

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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.