In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Enterprise 5.1.10), if Passenger is running as root, it is possible to list the contents of arbitrary files on a system by symlinking a file named REVISION from the application root folder to a file of choice and querying passenger-status --show=xml.
| Software | From | Fixed in |
|---|---|---|
| phusion / passenger | 5.0.10 | 5.1.10 |
| phusion / passenger | 5.0.10 | 5.1.11 |
| debian / debian_linux | 9.0 | 9.0.x |
passenger
|
- | 5.1.11 |