Versions of node-tar prior to 4.4.2 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.
WS-2019-0047 - Medium Severity Vulnerability
tar for node
Library home page: https://registry.npmjs.org/tar/-/tar-2.2.1.tgz
Path to dependency file: /nthu-select-courses/package.json
Path to vulnerable library: /tmp/git/nthu-select-courses/node_modules/tar/package.json
Dependency Hierarchy: - node-sass-4.11.0.tgz (Root Library) - node-gyp-3.8.0.tgz - :x: **tar-2.2.1.tgz** (Vulnerable Library)
Found in HEAD commit: 6e5c4ce6020486dea3933180badadc1b4a5af37a
Versions of node-tar prior to 4.4.2 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.
Publish Date: 2019-04-05
URL: WS-2019-0047
Base Score Metrics not available
Type: Upgrade version
Origin: https://www.npmjs.com/advisories/803
Release Date: 2019-04-05
Fix Resolution: 4.4.2
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