On May 6, 2022, a critical CVE was published for RubyGems, the primary packages source for the Ruby ecosystem. This vulnerability created a window of opportunity for malicious actors to take over gems that met the following criteria: Because RubyGems provides data dumps that include a lot of information, it is unfortunately relatively simple to create an automated mining process for these criteria.

The notorious Log4Shell vulnerability CVE-2021-45046, has put Log4j in the spotlight, and grabbed the entire Java community’s attention over the last couple of weeks. Maintainers of Java projects that use Log4j have most probably addressed the issue. Meanwhile, non-java developers are enjoying relative peace of mind, knowing that they are unaffected by one of the major vulnerabilities found in recent years. Unfortunately, this is an incorrect assumption.

Ruby is a well-defined and thought-out language and has been around since the mid-1990s. In 2004, Ruby incorporated RubyGems as its package manager. RubyGems is used to manage libraries and dependencies in a self-contained format known as a gem. The interface for RubyGems is a command line tool that integrates with the Ruby runtime and allows Gemfiles to be added or updated in a project. I looked at three Ruby platforms and found vulnerabilities that were surprising, even to me.

In Ruby, like in most languages, an exception is a way to convey that something went wrong. While some languages only use exceptions for truly exceptional circumstances, like run-time errors, Ruby uses exceptions for a wide variety of errors and unexpected results.

Trouble choosing an HTTP client for your Ruby project? We've got you covered. To help with the decision making, here is a list of the most popular and interesting libraries in the space. We've also included examples of making a request in each, and some reasons each library might be of interest to you and your project.