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CVE-2018-20834 - High Severity Vulnerability
Vulnerable Library - tar-2.2.1.tgz
tar for node
Library home page: https://registry.npmjs.org/tar/-/tar-2.2.1.tgz
Path to dependency file: /tmp/ws-scm/moh-sra-app/package.json
Path to vulnerable library: /tmp/ws-scm/moh-sra-app/node_modules/node-gyp/node_modules/tar/package.json
Dependency Hierarchy: - app-scripts-3.1.11.tgz (Root Library) - node-sass-4.9.0.tgz - node-gyp-3.8.0.tgz - :x: **tar-2.2.1.tgz** (Vulnerable Library)
Found in HEAD commit: 0ba2b38287afb21355ca6e883f8e2b702656a2dd
Vulnerability Details
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
CVSS 3 Score Details (7.5)
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.Suggested Fix
Type: Upgrade version
Origin: https://hackerone.com/reports/344595
Release Date: 2019-04-30
Fix Resolution: v4.4.2
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