#VU61501 Improper Certificate Validation in node-sass - CVE-2020-24025

Vulnerability identifier: #VU61501

Vulnerability risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-24025

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
node-sass
Web applications / Modules and components for CMS

Vendor: xzyfer

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to certificate validation is disabled when requesting binaries even if the user is not specifying an alternative download path. A remote attacker can perform MitM attack and compromise the affected application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

node-sass: 2.0 - 4.14.1

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External links
https://github.com/sass/node-sass/pull/567#issuecomment-656609236
https://github.com/advisories/GHSA-r8f7-9pfq-mjmv

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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.