Arbitrary File Overwrite

Affecting fstream package, versions <1.0.12

Overview

fstream is a package that supports advanced FS Streaming for Node.

Affected versions of this package are vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system and a file that matches the hardlink will overwrite the system's file with the contents of the extracted file.

Remediation

Upgrade fstream to version 1.0.12 or higher.

References

• GitHub Commit
• NPM Security Advisory