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Vulnerability in Z-Wave Wireless Communications Protocol, Used By Some IoT and Smart Devices, Exposes 100 Million Devices To Attack

Friday May 25, 2018. 06:10 PM , from Slashdot
An anonymous reader writes: The Z-Wave wireless communications protocol used for some IoT/smart devices is vulnerable to a downgrade attack that can allow a malicious party to intercept and tamper with traffic between smart devices. The attack -- codenamed Z-Shave -- relies on tricking two smart devices that are pairing into thinking one of them does not support the newer S-Wave S2 security features, forcing both to use the older S0 security standard. The Z-Shave attack is dangerous because devices paired via an older version of Z-Wave can become a point of entry for an attacker into a larger network, or can lead to the theft of personal property. While this flaw might prove frivolous for some devices in some scenarios, it is a big issue for others -- such as smart door locks, alarm systems, or any Z-Wave-capable device on the network of a large corporation. The company behind the Z-Wave protocol tried to downplay the attack's significance, but its claims were knocked down by researchers in a video.

Read more of this story at Slashdot.
rss.slashdot.org/~r/Slashdot/slashdot/~3/eqAMeyX2Ak4/vulnerability-in-z-wave-wireless-communications...

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