要点
- CVE-2021-39174 は cachethq/cachet, catchet (catchethq) に影響する深刻度「高」 (CVSS 8.8) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：5.0%（全脆弱性の 92.2% より高い）。
- 対処：2.5.1 以降に更新してください。
概要
Impact
Authenticated users, regardless of their privileges (User or Admin), can leak the value of any configuration entry of the dotenv file, e.g. the application secret (APP_KEY) and various passwords (email, database, etc).
Patches
This issue was addressed by improving UpdateConfigCommandHandler and preventing the use of nested variables in the resulting dotenv configuration file.
Workarounds
Only allow trusted source IP addresses to access to the administration dashboard.
References
Further technical details are available at https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection.
For more information
If you have any questions or comments about this advisory, you can contact:
- The original reporters, by sending an email to vulnerability.research [at] sonarsource.com;
- The maintainers, by opening an issue on this repository.
NVD の説明
Cachet is an open source status page system. Prior to version 2.5.1, authenticated users, regardless of their privileges (User or Admin), can leak the value of any configuration entry of the dotenv file, e.g. the application secret (`APP_KEY`) and various passwords (email, database, etc). This issue was addressed in version 2.5.1 by improving `UpdateConfigCommandHandler` and preventing the use of nested variables in the resulting dotenv configuration file. As a workaround, only allow trusted source IP addresses to access to the administration dashboard.
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