CVE-2024-41937
📋 TL;DR
Apache Airflow versions before 2.10.0 contain a cross-site scripting (XSS) vulnerability in provider documentation links. Malicious providers can execute arbitrary JavaScript when users click on their documentation links. This affects Airflow administrators and users who install third-party providers.
💻 Affected Systems
- Apache Airflow
📦 What is this software?
Airflow by Apache
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains session cookies, performs actions as authenticated users, or steals sensitive data through malicious JavaScript execution.
Likely Case
Session hijacking, credential theft, or unauthorized actions within the Airflow interface.
If Mitigated
Limited impact due to same-origin policy restrictions and requiring user interaction.
🎯 Exploit Status
Requires social engineering to install malicious provider and trick users into clicking links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.10.0 or later
Vendor Advisory: https://lists.apache.org/thread/lwlmgg6hqfmkpvw5py4w53hxyl37jl6d
Restart Required: Yes
Instructions:
1. Backup your Airflow configuration and database. 2. Upgrade Airflow using pip: 'pip install --upgrade apache-airflow==2.10.0'. 3. Restart all Airflow services. 4. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Restrict Provider Installation
allOnly install providers from trusted sources and review provider packages before installation.
User Awareness Training
allTrain users not to click on suspicious provider documentation links.
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to restrict script execution
- Monitor and audit installed provider packages for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check Airflow version: if version is below 2.10.0, system is vulnerable.Check Version:
airflow versionVerify Fix Applied:
Confirm Airflow version is 2.10.0 or higher and test provider documentation links.📡 Detection & Monitoring
Log Indicators:
- Unusual provider installation activity
- Multiple failed authentication attempts from same session
Network Indicators:
- Unexpected outbound connections from Airflow server after clicking provider links
SIEM Query:
source="airflow" AND (event="provider_install" OR event="documentation_click")