Related Vulnerabilities: CVE-2021-39134  

The 'nodejs-lts-erbium' and 'nodejs-lts-fermium' core dependency 'npmcli/arborist' before version 2.8.2 is vulnerable to Arbitrary File Creation, Arbitrary File Overwrite in Arbitrary Code Execution in case-insensitive file systems.

Severity Medium

Remote No

Type Arbitrary code execution

Description

The 'nodejs-lts-erbium' and 'nodejs-lts-fermium' core dependency 'npmcli/arborist' before version 2.8.2 is vulnerable to Arbitrary File Creation, Arbitrary File Overwrite in Arbitrary Code Execution in case-insensitive file systems.

AVG-2340 nodejs-lts-fermium 14.17.4-1 High Vulnerable

AVG-2339 nodejs-lts-erbium 12.22.4-2 High Vulnerable

https://nodejs.org/en/blog/vulnerability/aug-2021-security-releases2/
https://github.com/npm/arborist/security/advisories/GHSA-2h4h-q99f-3fhc

Even though the advisory only mentions Windows's and MacOS's filesystems as case insensitive an ext4 file system can be configured to be case-insensitive.

https://lwn.net/Articles/784041/