All LTE networks and devices are vulnerable to a new attack demonstrated at the Ruxon security conference in Melbourne. mask.of.sanity shared this article from The Register:
It exploits LTE fall-back mechanisms designed to ensure continuity of phone services in the event of emergency situations that trigger base station overloads… The attacks work through a series of messages sent between malicious base stations spun up by attackers and targeted phones. It results in attackers gaining a man-in-the-middle position from where they can listen to calls or read SMS, or force phones back to 2G GSM networks where only voice and basic data services are available…

[Researcher Wanqiao] Zhang says the attacks are possible because LTE networks allow users to be handed over to underused base stations in the event of natural disasters to ensure connectivity. “You can create a denial of service attack against cellphones by forcing phones into fake networks with no services,” Zhang told the conference. “You can make malicious calls and SMS and…eavesdrop on all voice and data traffic.”

Read more of this story at Slashdot.

Source: Slashdot – A New Attack Allows Intercepting Or Blocking Of Every LTE Phone Call And Text