| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| Umbraco.CMS | ≥ 11.0.0, < 12.3.4≥ 8.0.0, < 8.18.10≥ 9.0.0, < 10.8.1 | 12.3.48.18.1010.8.1 |
| umbraco cms | ≥ 10.0.0, < 10.8.1≥ 12.0.0, < 12.3.4≥ 8.0.0, < 8.18.10 | 10.8.112.3.48.18.10 |
A brute force exploit that can be used to collect valid usernames is possible.
It's a brute force exploit that can be used to collect valid usernames by using the “forgot password” function when trying to log into the Backoffice. If the username/email is known, it is easier to find the corresponding password. If an email address that was already used and registered by a user, is provided as an input, the server internal processing time takes longer. If the email address does not exist in the database of the registered users, the server would respond immediately.
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