Description
The random_password_generator (aka RandomPasswordGenerator) gem through 1.0.0 for Ruby uses Kernel#rand to generate passwords, which, due to its cyclic nature, can facilitate password prediction.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| RubyGems | random_password_generator | <= 1.0.0 | — | GHSA-ggfx-h9xj-5v9c |
References
- https://github.com/bvsatyaram/random_password_generator/blob/2855e8d7d8803dbb580ddd6cf13846394eb4530e/lib/random_password_generator.rb#L23
- https://ruby-doc.org/core-3.1.2/Random.html
- https://stackoverflow.com/questions/42170239/security-of-rand-in-ruby-compared-to-other-methods/42170560
- https://github.com/bvsatyaram/random_password_generator/pull/1