CVE-2018-12029

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...

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-2018-12029

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...

CVE-2018-12028

CVE-2018-12028 : An Incorrect Access Control vulnerability exists in SpawningKit, part of Phusion Passenger 5.3.x, reported before 5.3.2. A Passenger-managed malicious application, when spawning a child process, can report an arbitrary different PID to Passenger’s process manager. If that applica...

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

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-2018-12026

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-2018-12027

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...

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...

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...

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...

CHMOD race vulnerability

The file system access race condition allows for local privilege escalation and affects the Nginx module for Passenger versions 5.3.1, all the way back to 3.0.0 the chown command entered the code in 2010. The vulnerability was exploitable only when running a non-standard...

Hacking train passenger Wi-Fi

After speaking about Wi-Fi security at a rail industry conference last week, it struck me that very insecure passenger networks are making their way on to trains. So, here’s a quick check list for making sure your pax Wi-Fi network is secure. Similar checks could be applied to your guest network ...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3619-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3619-2 advisory. USN-3619-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

Ubuntu 17.10 : linux-raspi2 vulnerabilities (USN-3617-3)

It was discovered that a race condition leading to a use-after-free vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-0861 It was discovered that a...

A week in security (March 05 – March 11)

Last week on Malwarebytes Labs, we paid homage to several women in tech, including some of our very own, on International Women's Day and shared their stories. We also looked into an adware posing as an Android app that claims to live stream the 2018 Winter Olympics, exposed scammers that go by t...

SUSE-SU-2018:0309-1 Security update for rubygem-passenger

This update for rubygem-passenger fixes the following issues: Security issue fixed: - CVE-2017-1000384: Introduces a new check that logs a vulnerability warning if Passenger is run with root permissions while the directory permissions of parts of its root dir allow modifications by non-root users...

SUSE-SU-2018:0262-1 Security update for rubygem-passenger

This update for rubygem-passenger fixes several issues. These security issues were fixed: - CVE-2017-16355: When Passenger was running as root it was 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 choi...