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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| passenger(RubyGems) | 0 | 5.1.11 | N/A |
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