Total Attack Vectors
6
Critical Severity
2
High Severity
3
Attack Categories
6
VoLTE Architecture & Security Context
Voice over LTE (VoLTE) represents a fundamental shift in mobile voice communications, leveraging the IP Multimedia Subsystem (IMS) to deliver voice services over LTE data networks.
Key Components
- IMS Core: P-CSCF, S-CSCF, I-CSCF for session control
- Media Gateway: RTP/SRTP media handling
- HSS: Home Subscriber Server for authentication
- PCRF: Policy and Charging Rules Function
VoLTE Attack Categories
Authentication
1
Attacks targeting VoLTE authentication mechanisms
SIP Registration Hijacking
High
Media Plane
1
Attacks targeting VoLTE media streams and RTP
RTP Stream Manipulation
High
Signaling
1
Attacks targeting VoLTE signaling protocols
Diameter Interface Exploitation
Critical
Identity
1
Attacks targeting identity and spoofing
IMS Core Spoofing
High
Emergency Services
1
Attacks targeting emergency call services
Emergency Call Manipulation
Critical
QoS
1
Attacks targeting Quality of Service mechanisms
Quality of Service Manipulation
Medium