CVE-2023-25956
📋 TL;DR
This vulnerability in Apache Airflow AWS Provider versions before 7.2.1 allows error messages to leak sensitive information. Attackers can exploit this to obtain credentials or other sensitive data from error responses. Organizations using vulnerable versions of the Apache Airflow AWS Provider are affected.
💻 Affected Systems
- Apache Airflow AWS Provider
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers obtain AWS credentials or other sensitive information, leading to unauthorized access to cloud resources, data exfiltration, or lateral movement within cloud environments.
Likely Case
Information disclosure of sensitive configuration details or partial credential exposure that could aid further attacks.
If Mitigated
Limited information leakage with no direct access to critical systems, though some configuration details may still be exposed.
🎯 Exploit Status
Exploitation requires triggering error conditions that reveal sensitive information in error messages.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.2.1
Vendor Advisory: https://lists.apache.org/thread/07pl9y4gdpw2c6rzqm77dvkm2z2kb5gv
Restart Required: Yes
Instructions:
1. Update Apache Airflow AWS Provider to version 7.2.1 or later using pip: pip install --upgrade apache-airflow-providers-amazon==7.2.1 2. Restart all Airflow services including scheduler, webserver, and workers.
🔧 Temporary Workarounds
Disable detailed error messages
allConfigure Airflow to suppress detailed error information in responses
Set AIRFLOW__CORE__HIDE_SENSITIVE_VAR_CONN_FIELDS=True in airflow.cfg or environment variables
🧯 If You Can't Patch
- Implement network segmentation to restrict access to Airflow instances
- Monitor logs for unusual error patterns or information disclosure attempts
🔍 How to Verify
Check if Vulnerable:
Check the installed version of apache-airflow-providers-amazon packageCheck Version:
pip show apache-airflow-providers-amazon | grep VersionVerify Fix Applied:
Confirm version 7.2.1 or later is installed and test error handling📡 Detection & Monitoring
Log Indicators:
- Error messages containing AWS credentials, access keys, or other sensitive information in Airflow logs
Network Indicators:
- Unusual patterns of error responses from Airflow endpoints
SIEM Query:
source="airflow" AND ("error" OR "exception") AND ("key" OR "secret" OR "password" OR "credential")