CVE-2022-48476: jetbrains ktor Path Traversal: '.../...//'

Vulnerability summary

CVE-2022-48476 is a high (CVSS 7.5) Path Traversal: '.../...//' vulnerability in jetbrains ktor. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.1% of scored vulnerabilities.

Timeline

1. 24-04-2023
   PublishedVulnerability first disclosed.
2. 04-02-2025
   Last modifiedVulnerability information updated.

Description

In JetBrains Ktor before 2.3.0 path traversal in the `resolveResource` method was possible

• CWE-35Path Traversal: '.../...//'The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that 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.