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
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.
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
For more information
If you have any questions or comments about this advisory, you can contact: