| Package | Affected versions | Patched versions |
|---|---|---|
| actionpack | ≥ 2.1.0, < 2.2.3≥ 2.3.0, < 2.3.4 | 2.2.32.3.4 |
| activesupport | ≥ 2.1.0, < 2.2.3≥ 2.3.0, < 2.3.4 | 2.2.32.3.4 |
| rails | = 2.1.0= 2.1.1= 2.1.2= 2.2.0= 2.2.1= 2.2.2= 2.3.2= 2.3.3 |
A certain algorithm in Ruby on Rails 2.1.0 through 2.2.2, and 2.3.x before 2.3.4, leaks information about the complexity of message-digest signature verification in the cookie store, which might allow remote attackers to forge a digest via multiple attempts.
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