CVE-2020-36561: github.com/yi-ge/unzip Path Traversal

Vulnerability summary

CVE-2020-36561 is a critical (CVSS 9.1) Path Traversal vulnerability in github.com/yi-ge/unzip. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 27-12-2022
   PublishedVulnerability first disclosed.
2. 11-04-2025
   Last modifiedVulnerability information updated.

Description

Due to improper path sanitization, archives containing relative file paths can cause files to be written (or overwritten) outside of the target directory.

• 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.