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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
Vulnerable Libraries - tar-2.2.1.tgz, tar-4.4.1.tgz
tar-2.2.1.tgz
tar for node
Library home page: http://registry.npmjs.org/tar/-/tar-2.2.1.tgz
Path to dependency file: /IntranetNew/WebUI/ClientApp/package.json
Path to vulnerable library: /tmp/git/IntranetNew/WebUI/ClientApp/node_modules/tar/package.json
Dependency Hierarchy:
tar-4.4.1.tgz
tar for node
Library home page: https://registry.npmjs.org/tar/-/tar-4.4.1.tgz
Dependency Hierarchy:
Found in HEAD commit: 7ac996f404ac718dfc1a6ce045f26d7c26c16c9b
Vulnerability Details
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
CVSS 2 Score Details (5.0)
Base Score Metrics not available
Suggested Fix
Type: Upgrade version
Origin: https://www.npmjs.com/advisories/803
Release Date: 2019-04-05
Fix Resolution: 4.4.2
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