CVE-2024-45387: Apache Traffic Control SQLi Vulnerability

CVE-2024-45387 Overview

CVE-2024-45387 is an SQL injection vulnerability affecting the Traffic Ops component of Apache Traffic Control. This vulnerability allows privileged users with specific roles—including admin, federation, operations, portal, or steering—to execute arbitrary SQL commands against the backend database by sending specially-crafted PUT requests to the Traffic Ops API.

While the vulnerability requires authenticated access with elevated privileges, the potential impact is severe. Successful exploitation could lead to unauthorized data access, data manipulation, or complete database compromise within affected Apache Traffic Control deployments.

Critical Impact

Authenticated attackers with elevated roles can execute arbitrary SQL queries, potentially compromising the entire Traffic Ops database including sensitive CDN configuration data, user credentials, and operational metadata.

Affected Products

• Apache Traffic Control versions 8.0.0 through 8.0.1
• Traffic Ops component specifically affected
• CDN infrastructure management systems using vulnerable versions

Discovery Timeline

• 2024-12-23 - CVE-2024-45387 published to NVD
• 2025-02-11 - Last updated in NVD database

Technical Details for CVE-2024-45387

Vulnerability Analysis

This SQL injection vulnerability exists within the Traffic Ops component of Apache Traffic Control, which serves as the central API and management interface for Content Delivery Network (CDN) operations. The flaw stems from improper handling of user-supplied input in PUT request parameters, allowing malicious SQL statements to be injected and executed against the underlying database.

The vulnerability is classified under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), indicating that the application fails to properly sanitize or parameterize user input before incorporating it into SQL queries. This allows attackers to modify the intended query structure and inject arbitrary SQL commands.

Although exploitation requires authentication with specific privileged roles, organizations should treat this as a significant threat. The affected roles (admin, federation, operations, portal, steering) are commonly assigned to operations staff managing CDN infrastructure, creating a substantial attack surface in enterprise environments.

Root Cause

The root cause of CVE-2024-45387 is insufficient input validation and improper parameterization of SQL queries within the Traffic Ops API handlers. When processing PUT requests, the application concatenates user-supplied data directly into SQL statements without adequate sanitization, escaping, or use of prepared statements. This allows specially-crafted input containing SQL metacharacters and commands to alter the query logic and execute unauthorized database operations.

Attack Vector

The attack is executed remotely over the network through the Traffic Ops API interface. An authenticated attacker with one of the privileged roles must craft a malicious PUT request containing SQL injection payloads in vulnerable parameters. The injection payloads are then processed by the backend and executed against the database with the privileges of the database connection user.

The attack flow involves the attacker authenticating to the Traffic Ops API with valid credentials for a privileged role, identifying the vulnerable PUT endpoint, and constructing requests with SQL injection payloads embedded in susceptible parameters. When the server processes these requests, the malicious SQL executes against the database, potentially allowing data exfiltration, modification, or destruction.

For detailed technical information, refer to the Apache Security Discussion and OpenWall OSS Security Update.

Detection Methods for CVE-2024-45387

Indicators of Compromise

• Unusual or malformed PUT requests to Traffic Ops API endpoints containing SQL syntax characters such as single quotes, semicolons, UNION statements, or comment sequences
• Database query logs showing unexpected SQL commands, particularly those with UNION SELECT, DROP, INSERT, UPDATE, or DELETE operations not initiated by normal application workflows
• Error messages in application logs indicating SQL syntax errors or database exceptions from PUT request handlers
• Abnormal database activity from the Traffic Ops service account, including bulk data access or schema modifications

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns in HTTP PUT request bodies and parameters
• Enable comprehensive logging for all Traffic Ops API requests, with particular attention to PUT operations from privileged users
• Deploy database activity monitoring to alert on anomalous query patterns, including queries containing multiple statements or unusual SQL constructs
• Configure SentinelOne Singularity to monitor for suspicious process behavior and network communications from Traffic Ops components

Monitoring Recommendations

• Enable detailed audit logging on the Traffic Ops database to track all queries and identify potential injection attempts
• Monitor authentication logs for unusual login patterns to privileged accounts that could indicate compromised credentials being used for exploitation
• Set up alerts for HTTP 500 errors or database exceptions originating from the Traffic Ops API PUT handlers
• Regularly review database user permissions to ensure the Traffic Ops service account follows least-privilege principles

How to Mitigate CVE-2024-45387

Immediate Actions Required

• Upgrade Apache Traffic Control to version 8.0.2 or later immediately, as this release contains the security fix for CVE-2024-45387
• Audit user accounts with admin, federation, operations, portal, and steering roles to ensure only authorized personnel have these privileges
• Review recent Traffic Ops access logs for suspicious PUT request activity that may indicate exploitation attempts
• Implement network segmentation to restrict Traffic Ops API access to trusted management networks only

Patch Information

Apache has released Traffic Control version 8.0.2 which addresses this SQL injection vulnerability. Users running affected versions (8.0.0 through 8.0.1) should upgrade immediately. The patch information and upgrade instructions are available through the Apache Security Discussion mailing list announcement.

Workarounds

• Deploy a Web Application Firewall (WAF) in front of the Traffic Ops API to filter and block requests containing SQL injection patterns until patching is complete
• Temporarily restrict API access to the minimum required privileged accounts and consider disabling unused roles
• Implement IP-based access controls to limit Traffic Ops API connectivity to known management workstations and jump hosts
• Enable enhanced monitoring and alerting on all database activity to detect any exploitation attempts while the system remains unpatched

# Example: Restrict Traffic Ops access via firewall rules (adjust IPs as needed)
# Block external access to Traffic Ops API port
iptables -A INPUT -p tcp --dport 443 -s ! 10.0.0.0/8 -j DROP

# Allow only trusted management network
iptables -A INPUT -p tcp --dport 443 -s 10.10.10.0/24 -j ACCEPT