CVE-2021-39173
HIGH8.8EPSS 3.7%Cachet vulnerable to forced reinstall
Description
### Impact Authenticated users, regardless of their privileges (_User_ or _Admin_), can trick Cachet and install the instance again, leading to arbitrary code execution on the server. ### Patches This issue was addressed by improving the middleware `ReadyForUse`, which now performs a stricter validation of the instance name. ### 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 (1)
- Packagist/cachethq/cachetfrom 0, < 2.5.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| 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 |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-39173
- PATCHhttps://github.com/fiveai/Cachet
- WEBhttps://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection
- WEBhttps://github.com/fiveai/Cachet/releases/tag/v2.5.1
- WEBhttps://github.com/fiveai/Cachet/security/advisories/GHSA-r67m-m8c7-jp83