Remote command injection in compile-sass module

1) OS Command Injection

EUVDB-ID: #VU25686

Risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-10799

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 the "setupCleanupOnExit(cssPath)" function within "dist/index.js" is executed as part of the "rm" command without any sanitization. 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

compile-sass: 0.0.2 - 1.0.4

External links

http://github.com/eiskalteschatten/compile-sass/commit/d9ada7797ff93875b6466dea7a78768e90a0f8d2
http://snyk.io/vuln/SNYK-JS-RPI-548942

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.