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CVE-2021-22903 The actionpack ruby gem before 6.1.3.2 suffers from a possible open redirect vulnerability

Description

The actionpack ruby gem before 6.1.3.2 suffers from a possible open redirect vulnerability. Specially crafted Host headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website. This is similar to CVE-2021-22881. Strings in config.hosts that do not have a leading dot are converted to regular expressions without proper escaping. This causes, for example, `config.hosts << "sub.example.com"` to permit a request with a Host header value of `sub-example.com`.

Produits et versions touchés

Produit Versions touchées Corrigé en
https://github.com/rails/rails Versions non publiées

Références

Chronologie

  1. Publiée
  2. Dernière modification
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