Patch

CVE-2024-41110

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Vulnerability Overview

CVE Name

CVE-2024-41110

Severity

9.9

Critical

CVE Description

Moby is an open-source project created by Docker for software containerization. A security vulnerability has been detected in certain versions of Docker Engine, which could allow an attacker to bypass authorization plugins (AuthZ) under specific circumstances...

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Latest Patch info

There is no patch available at the moment, but you can use our script.

Patch Name

Date

Script

Script Type

Remediation script

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DISCLAIMER:VICARIUS STRONGLY RECOMMENDS RUNNING THESE SCRIPTS IN A TEST LAB ENVIRONMENT BEFORE DEPLOYING THEM TO PRODUCTION. USE AT YOUR OWN DISCRETION BY READING THE SCRIPT DESCRIPTION CAREFULY. 🔒 Secure Your Docker: Disabling AuthZ Plugins Enhance your Docker security by disabling vulnerable AuthZ plugins and updating Docker to the latest version. This script ensures your Docker environment is secure by stopping unnecessary authorization plugins that could be exploited under certain conditions. 🔍 How it works: The script first identifies the system type (Debian or RPM-based) and provides options to update Docker to the latest version. It then disables AuthZ plugins by modifying the daemon.json file. This process includes stopping the Docker service, creating a backup of the current configuration, and ensuring the plugins are disabled by setting "authorization-plugins": []. The service is then restarted, and changes are verified. 🔧 Usage: Update Docker and Disable AuthZ Plugins: Run the script with the --update-docker option: ./remediation.sh --update-docker Disable AuthZ Plugins Only: Run the script without any options: ./remediation.sh ⚠️ Why it matters: Disabling AuthZ plugins is crucial in mitigating the risk associated with CVE-2024-41110. This vulnerability can allow attackers to bypass these plugins, potentially leading to unauthorized actions and privilege escalation. By disabling these plugins and keeping Docker updated, you significantly reduce the risk of exploitation. Stay vigilant and secure your Docker environment by implementing these crucial changes today. For more detailed guidance, consult the official Docker security resources.

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#!/bin/bash

# Disable AuthZ plugins in Docker
disable_authz_plugins() {
    echo "Disabling AuthZ plugins in Docker..."
    sudo systemctl stop docker

# Backup current daemon.json if it exists
    if [ -f /etc/docker/daemon.json ]; then
        echo "Backing up current daemon.json..."
        sudo cp /etc/docker/daemon.json /etc/docker/daemon.json.bak
    fi

# Create or modify the daemon.json file to disable AuthZ plugins
    echo "Creating or modifying daemon.json to disable AuthZ plugins..."
    sudo bash -c 'cat > /etc/docker/daemon.json <<EOF
{
  "authorization-plugins": []
}
EOF'

echo "Restarting Docker service..."
    sudo systemctl start docker

echo "Verifying the changes..."
    docker info | grep -i 'Authorization plugins'
}

# Update Docker on Debian-based systems
update_docker_debian() {
    echo "Updating Docker on Debian-based system..."
    sudo apt-get update
    sudo apt-get install -y docker-ce docker-ce-cli containerd.io
}

# Update Docker on RPM-based systems
update_docker_rpm() {
    echo "Updating Docker on RPM-based system..."
    sudo yum install -y yum-utils
    sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
    sudo yum install -y docker-ce docker-ce-cli containerd.io
    sudo systemctl start docker
    sudo systemctl enable docker
}

main() {
    if command -v apt-get &> /dev/null; then
        echo "Detected Debian-based system"
        if [[ "$1" == "--update-docker" ]]; then
            update_docker_debian
        fi
        disable_authz_plugins
    elif command -v yum &> /dev/null; then
        echo "Detected RPM-based system"
        if [[ "$1" == "--update-docker" ]]; then
            update_docker_rpm
        fi
        disable_authz_plugins
    else
        echo "Unsupported package manager. Please use a system with apt or yum."
        exit 0
    fi

docker_version=$(docker --version)
    echo "Docker version: $docker_version"
    if [[ "$1" == "--update-docker" ]]; then
      echo "Docker has been updated and AuthZ plugins have been disabled successfully."
    fi
}

main "$1"

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Affected OS & Apps

No items found.

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