Arbitrary File Overwrite Affecting tar package, versions <2.2.2 >=3.0.0 <4.4.2
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.32% (71st
percentile)
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Test your applications- Snyk ID SNYK-JS-TAR-174125
- published 7 Apr 2019
- disclosed 4 Apr 2019
- credit Max Justicz
Introduced: 4 Apr 2019
CVE-2018-20834 Open this link in a new tabHow to fix?
Upgrade tar to version 2.2.2, 4.4.2 or higher.
Overview
tar is a full-featured Tar for Node.js.
Affected versions of this package are vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hard-link to a file that already exists in the system, and a file that matches the hard-link may overwrite system's files with the contents of the extracted file.