TETRA radio comms used by emergency heroes easily cracked, say experts
The European Telecommunications Standards Institute , which oversees the TETRA specification, did not immediately respond to a request for comment.
The three less-than-critical vulnerabilities consist of: CVE-2022-24404, a high-severity vulnerability arising from lack of ciphertext authentication on the AIE that enables a; CVE-2022-24403, a high-severity vulnerability that allows radio identities to be identified and tracked due to weak cryptographic design; and CVE-2022-24400, a low-severity vulnerability that allows confidentially to be partial compromised through a flawed authentication algorithms that permits the setting of the Derived...
Technical details of the flaws are due to be released on August 9, 2023, at the Black Hat security conference in Las Vegas, and at Usenix Security and DEF CON. Midnight Blue said it waited one and half years to disclose details rather than the usual six months for hardware and embedded systems due to the sensitivity of the matter and the complexity of remediation.
The primary concern, they say, for law enforcement and military users of TETRA networks is the possibility that messages will be intercepted or manipulated. That's also a potential problem for critical infrastructure operators, who could see the communication services of private security firms manipulated or even the injection of data traffic that would affect the monitoring and control of industrial equipment, like railway switches or electrical substation circuit breakers.
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