CVE-2018-3729: hackerone localhost-now node module Path Traversal

Vulnerability summary

CVE-2018-3729 is a high (CVSS 7.5) Path Traversal vulnerability in hackerone localhost-now node module. EPSS estimates a 1.99% chance of exploitation in the next 30 days, higher than 80.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 07-06-2018
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

localhost-now node module suffers from a Path Traversal vulnerability due to lack of validation of file, which allows a malicious user to read content of any file with known path.

• 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.