CVE-2021-39172
Cachet vulnerable to new line injection during configuration edition
Impact
### 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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | cachethq/cachet | < 2.5.1 | 2.5.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Catchethq | Catchet | before 2.5.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/
- https://github.com/fiveai/Cachet/releases/tag/v2.5.1
- https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6
- https://github.com/advisories/GHSA-9jxw-cfrh-jxq6
- https://nvd.nist.gov/vuln/detail/CVE-2021-39172
- https://github.com/fiveai/Cachet/commit/6442976c25930cb370c65a22784b9caee7ed1de2