Insecure Permissions Affecting passenger package, versions <5.3.2
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Test your applications- Snyk ID SNYK-RUBY-PASSENGER-22034
- published 20 Jun 2018
- disclosed 12 Jun 2018
- credit Unknown
Introduced: 12 Jun 2018
CVE-2018-12027 Open this link in a new tabHow to fix?
Upgrade passenger
to version 5.3.2 or higher.
Overview
passenger is a modern web server and application server for Ruby, Python and Node.js, optimized for performance, low memory usage and ease of use.
Affected versions of this package are vulnerable to Insecure Permissions. Given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of said socket are writable by a normal user that is not the application's user, then that non-application user can swap that directory with something else, resulting in traffic being redirected to a non-application user's process through an alternative Unix domain socket.