CVE-2018-1002203: node.js unzipper Path Traversal

Vulnerability summary

CVE-2018-1002203 is a medium (CVSS 5.5) Path Traversal vulnerability in node.js unzipper. EPSS estimates a 10.55% chance of exploitation in the next 30 days, higher than 95.7% of scored vulnerabilities. 4 public exploits are recorded.

Timeline

1. 25-07-2018
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

unzipper npm library before 0.8.13 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.