GitHub Advisoryadvisory · Packagist
GHSA-9jxw-cfrh-jxq6 Cachet vulnerable to new line injection during configuration edition
HIGH
Official page ↗
- Aliases
- CVE-2021-39172
- Ecosystem
- Packagist
- Packages
- cachethq/cachet
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-93
- Reviewed
- 2021-08-27
Affected packages
• Packagist cachethq/cachet: < 2.5.1 → fixed in 2.5.1
Description
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.
Related
Alias · CVE (1)
- CVE-2021-39172 Cachet is an open source status page system. vulnerability
Weakness · CWE (1)
- CWE-93 Improper Neutralization of CRLF Sequences weakness
References
- https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6 web
- https://nvd.nist.gov/vuln/detail/CVE-2021-39172 advisory
- https://github.com/fiveai/Cachet/commit/6442976c25930cb370c65a22784b9caee7ed1de2 web
- https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection web
- https://github.com/fiveai/Cachet package
- https://github.com/fiveai/Cachet/releases/tag/v2.5.1 web