CVE-2024-41645
📋 TL;DR
This CVE describes an insecure permissions vulnerability in ROS2 navigation2's nav2_amcl component that allows attackers to execute arbitrary code via a crafted script. Systems running ROS2 navigation2 v.humble with default configurations are vulnerable. Attackers can gain full control of affected robotic systems.
💻 Affected Systems
- Open Robotics Robotic Operating System 2 (ROS2) navigation2
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to execute arbitrary code, potentially taking control of robotic systems, stealing sensitive data, or disrupting critical operations.
Likely Case
Local privilege escalation leading to unauthorized access to robotic control systems and potential manipulation of navigation functions.
If Mitigated
Limited impact with proper access controls and network segmentation preventing unauthorized access to vulnerable components.
🎯 Exploit Status
Exploitation requires access to the system and knowledge of ROS2 navigation2 architecture. The vulnerability involves insecure permissions that can be leveraged for code execution.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check navigation2 repository for latest patched version
Vendor Advisory: https://github.com/ros-navigation/navigation2/issues/4497
Restart Required: Yes
Instructions:
1. Update ROS2 navigation2 package to latest version. 2. Apply security patches from the navigation2 repository. 3. Restart ROS2 services and navigation2 components. 4. Verify permissions on nav2_amcl scripts and executables.
🔧 Temporary Workarounds
Restrict Script Permissions
linuxManually set secure permissions on nav2_amcl scripts and executables to prevent unauthorized execution.
chmod 750 /path/to/nav2_amcl/scripts
chown root:root /path/to/nav2_amcl/executables
Network Segmentation
allIsolate ROS2 navigation2 systems from untrusted networks and implement strict access controls.
🧯 If You Can't Patch
- Implement strict access controls and principle of least privilege for all ROS2 navigation2 components
- Monitor system logs for unauthorized access attempts to nav2_amcl scripts and executables
🔍 How to Verify
Check if Vulnerable:
Check ROS2 navigation2 version and verify permissions on nav2_amcl scripts. Vulnerable if using v.humble with insecure script permissions.Check Version:
ros2 pkg list | grep navigation2 && apt-cache show ros-humble-navigation2Verify Fix Applied:
Verify navigation2 package is updated to patched version and check that nav2_amcl scripts have secure permissions (not world-writable or executable).📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to nav2_amcl scripts
- Unexpected process execution from nav2_amcl directories
- Permission changes on navigation2 files
Network Indicators:
- Unusual network traffic from ROS2 navigation2 systems
- Unexpected remote connections to navigation2 services
SIEM Query:
source="ros2_logs" AND (event="permission_change" OR event="script_execution") AND target="nav2_amcl"