10/17/2019
04:30 PM

Older Amazon Devices Subject to Old Wi-Fi Vulnerability

The vulnerability in first-generation Echoes and eight-generation Kindles lets an attacker wage man-in-the-middle attacks.



Some old Amazon devices contain an even older Wi-Fi vulnerability that can be exploited in man-in-the-middle attacks.

The vuln - KRACK, or Key Reinstallation Attack - is a flaw in the four-way WPA2 handshake that begins the protected transaction. The vulnerability  leaves the wireless traffic encrypted, but routed through a malicious middle actor that decrypts the data, stores it for use, and then re-encrypts the stream and sends it on its way.

The ESET Smart Home Research Team discovered that first-generation Amazon Echo devices remain subject to the vulnerability, designated CVE-2017-13077, as do Kindle 8th generation e-book readers.

Amazon has issued and distributed a new version of the wpa_supplicant — the vulnerable part of the operating environment. Both Amazon and the researchers strongly suggest that all users make sure that the patch has been applied to their devices.

For more, read here.

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