GHSA-9jxw-cfrh-jxq6
Cachet vulnerable to new line injection during configuration edition
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | cachethq/cachet | < 2.5.1 | 2.5.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
### 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.
References
External links from the advisory. They lead to third-party sites.
- https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6
- https://nvd.nist.gov/vuln/detail/CVE-2021-39172
- https://github.com/fiveai/Cachet/commit/6442976c25930cb370c65a22784b9caee7ed1de2
- https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection
- https://github.com/fiveai/Cachet
- https://github.com/fiveai/Cachet/releases/tag/v2.5.1