fstream before 1.0.12 is 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. The fstream.DirWriter() function is vulnerable.
CVE-2019-13173 - High Severity Vulnerability
Advanced file system stream things
Library home page: https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz
Dependency Hierarchy: - node-sass-4.9.3.tgz (Root Library) - node-gyp-3.8.0.tgz - :x: **fstream-1.0.11.tgz** (Vulnerable Library)
Found in HEAD commit: fbdf8372a96f7f26965d33fedec5089038e609dc
Found in base branch: master
fstream before 1.0.12 is 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. The fstream.DirWriter() function is vulnerable.
Publish Date: 2019-07-02
URL: CVE-2019-13173
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-2019-13173
Release Date: 2020-08-24
Fix Resolution (fstream): 1.0.12
Direct dependency fix Resolution (node-sass): 4.9.4