We are sunsetting Hakiri on January 31 2022. To learn more please refer to this document.

Discovered almost 5 years ago
Source: static code analysis
Category: File Access
Confidence level: Weak

Problem

Model attribute used in file name

Location

app/models/emoji.rb:72

FileUtils.mkdir_p(Pathname.new("#{Emoji.base_directory}/#{name}#{File.extname(file.original_filename)}").dirname)

Category description: When user-supplied input can contain ".." or similar characters that are passed through to file access APIs, causing access to files outside of an intended subdirectory.

Solution: fix the issue in app/models/emoji.rb or mark it as false positive.