There is a /tmp file race condition in chef/travis-cookbooks/ci_environment/perlbrew/recipes/default.rb
in the ciborg gem 3.0.0 when creating /tmp/perlbrew-installer
. If a malicious local user creates the file first they can overwrite the contents with their own code executing it as the ciborg process owner.
{ "nvd_published_at": "2018-01-10T18:29:00Z", "cwe_ids": [ "CWE-20" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2020-06-16T21:36:44Z" }