CVE-2021-39172
Cachet vulnerable to new line injection during configuration edition
描述
### Impact Authenticated users, regardless of their privileges (_User_ or _Admin_), can exploit a new line injection in the configuration edition feature (e.g. mail settings) and gain arbitrary code execution on the server. ### Patches This issue was addressed by improving `UpdateConfigCommandHandler` and preventing the use of new lines characters in new configuration values. ### Workarounds Only allow trusted source IP addresses to access to the administration dashboard. ### References - 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.
如何修補 CVE-2021-39172
要修補 CVE-2021-39172,請將受影響套件升級到下列已修補版本。
- —升級至 2.5.1 或更新版本
CVE-2021-39172 正在被利用嗎?
中等 — EPSS 為 29.2%,可持續追蹤但非最高優先。
受影響套件(1)
- from 0, < 2.5.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |