CVE-2018-12027

Summary of CVE-2018-12027 (Phusion Passenger) : This vulnerability affects Phusion Passenger 5.3.x before 5.3.2, specifically the SpawningKit component. If a Passenger-spawned application reports a Unix domain socket and any parent directory of that socket is writable by a non‑application user, t...

CVE-2018-12029

CVE-2018-12029 describes a race condition in the Phusion Passenger nginx module (3.x–5.x) before 5.3.2. If a non-standard passenger_instance_registry_dir with weak permissions is configured, a race can occur after a file is created but before chown, where replacing the file with a symlink targets...

CVE-2018-12027

An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 causes information disclosure in the following situation: given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of sa...

CVE-2018-12026

During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in...

CVE-2018-12028

An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows a Passenger-managed malicious application, upon spawning a child process, to report an arbitrary different PID back to Passenger's process manager. If the malicious application then generates a...

CVE-2018-12028: Incorrect Permission Assignment for Critical Resource

An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows a Passenger-managed malicious application, upon spawning a child process, to report an arbitrary different PID back to Passenger's process manager. If the malicious application then generates a...

CVE-2018-12026: Improper Link Resolution Before File Access

During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in...

CVE-2018-12027: Exposure of Sensitive Information to an Unauthorized Actor

An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 causes information disclosure in the following situation: given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of sa...

CVE-2018-12029: Concurrent Execution using Shared Resource with Improper Synchronization

A race condition in the nginx module in Phusion Passenger 3.x through 5.x before 5.3.2 allows local escalation of privileges when a non-standard passengerinstanceregistrydir with insufficiently strict permissions is configured. Replacing a file with a symlink after the file was created, but befor...

Incorrect Access Control in Phusion Passenger

An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows a Passenger-managed malicious application, upon spawning a child process, to report an arbitrary different PID back to Passenger's process manager. If the malicious application then generates a...

Insecure Permissions in Phusion Passenger

"An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 causes information disclosure in the following situation: given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of...

SpawningKit exploits

During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in...

Phusion Passenger Arbitrary File Read Vulnerability

Phusion Passenger is an Apache module for deploying Ruby on Rails projects on Apache and Nginx web servers from Phusion Netherlands. A security vulnerability exists in the agent/Core/SpawningKit/Spawner.h file in Phusion Passenger version 5.1.10. The vulnerability can be exploited to read the...

CVE-2017-16355

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...

CVE-2017-16355

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...

CVE-2017-16355

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...

Design/Logic Flaw

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...

CVE-2017-16355

CVE-2017-16355 affects Phusion Passenger 5.1.10 (fixed in Open Source 5.1.11 and Enterprise 5.1.10). When Passenger runs as root, an attacker can read arbitrary files by symlinking the REVISION file from the application root to a target file and querying passenger-status --show=xml, enabling a lo...

CVE-2017-16355

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...

CVE-2017-16355

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...