packages:
  - module: github.com/labstack/echo/v4
    symbols:
      - common.static
    versions:
      - fixed: 4.1.18-0.20201215153152-4422e3b66b9f
description: |
    Due to improper sanitization of user input on Windows, the static file handler
    allows for directory traversal, allowing an attacker to read files outside of
    the target directory that the server has permission to read.
published: 2021-04-14T20:04:52Z
credit: '@little-cui (Apache ServiceComb)'
os:
  - windows
links:
    pr: https://github.com/labstack/echo/pull/1718
    commit: https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa