Vulnerabilities in old GTP protocol could affect 4G and 5G networks

Experts cautioned that vulnerabilities in the old GTP (GPRS Tunneling Protocol) could quite seriously affect the operation of 4G and 5G networks. n reports published last week and in December 2019, Positive Technologies and A10 Networks described in detail a number of vulnerabilities in this protocol. In particular, are known the following problems: Disclosure of subscriber information (including location data that can be used to track users); spoofing, which can be used by scammers, as well as for attacks that allow posing as another user; denial of service (DoS) attacks on network equipment, resulting in massive disruption to mobile communications. Researchers explain that mobile providers will be forced to support GTP in their 5G networks, and because of this, users …

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