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-4.4.1.tgz
tar for node
Library home page: https://registry.npmjs.org/tar/-/tar-4.4.1.tgz
Path to dependency file: /docs/package.json
Path to vulnerable library: /docs/package.json
Dependency Hierarchy: - browser-sync-2.26.3.tgz (Root Library) - 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)
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: /docs/package.json
Path to vulnerable library: /docs/node_modules/tar/package.json
Dependency Hierarchy: - gulp-sass-4.0.2.tgz (Root Library) - node-sass-4.11.0.tgz - node-gyp-3.8.0.tgz - :x: **tar-2.2.1.tgz** (Vulnerable Library)
Found in HEAD commit: 92678a4c15b69c8158dcbfea68d387eb9e0c1855
Found in base branch: develop
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 (browser-sync): 2.26.4
Fix Resolution (tar): 4.4.2
Direct dependency fix Resolution (gulp-sass): 4.1.0
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