A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).
CVE-2018-20834 - High Severity Vulnerability
tar for node
Library home page: https://registry.npmjs.org/tar/-/tar-4.4.1.tgz
Dependency Hierarchy: - webpack-4.19.1.tgz (Root Library) - watchpack-1.6.0.tgz - chokidar-2.0.4.tgz - fsevents-1.2.4.tgz - node-pre-gyp-0.10.0.tgz - :x: **tar-4.4.1.tgz** (Vulnerable Library)
A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).
Publish Date: 2019-04-30
URL: CVE-2018-20834
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: High - Availability Impact: None
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16082
Release Date: 2019-04-30
Fix Resolution (tar): 4.4.2
Direct dependency fix Resolution (webpack): 4.20.0
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