Researcher Uncovers Potential Wiretapping Bugs in Google Dwelling Sensible Audio system | Acumen Tech

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December 30, 2022ravie lakshmananBug Bounty / Privateness

Google Home smart speakers

A safety researcher acquired a $107,500 bug bounty for figuring out safety points in Google Dwelling good audio system that may very well be exploited to put in backdoors and switch them into wiretapping units.

The issues “allowed an attacker inside wi-fi proximity to put in a ‘backdoor’ account on the gadget, permitting them to remotely ship instructions to it over the Web, entry its microphone feed, and make arbitrary HTTP requests.” contained in the sufferer’s LAN,” the researcher stated. , who goes by Matt, revealed in a whitepaper printed this week.

Making such malicious requests couldn’t solely expose the Wi-Fi password, but in addition give the adversary direct entry to different units linked to the identical community. Following accountable disclosure on January 8, 2021, Google fastened the problems in April 2021.

The issue, in a nutshell, has to do with how Google Dwelling software program structure might be leveraged so as to add an unauthorized Google consumer account to a goal’s house automation gadget.

cyber security

In an assault chain detailed by the researcher, a menace actor seeking to spy on a sufferer can trick the particular person into putting in a malicious Android app that, upon detecting a Google Dwelling gadget on the community, points stealthy HTTP requests to hyperlink an attacker’s account. to the sufferer’s gadget.

Taking issues a step additional, it was additionally discovered that staging a Wi-Fi deauthentication assault to power a Google Dwelling gadget to disconnect from the community may cause the gadget to enter a “configuration mode.” and create your individual open Wi-Fi. fi community.

The menace actor can then hook up with the gadget’s configuration community and request particulars comparable to gadget identify, cloud_device_id, and certificates, and use these to hyperlink your account to the gadget.

Google Home smart speakers

Whatever the assault sequence employed, a profitable hyperlink course of permits the adversary to benefit from Google Dwelling’s routines to show the amount right down to zero and name a particular cellphone quantity at any time to spy on the sufferer by way of the gadget’s microphone. .

Google Home smart speakers

“The one factor the sufferer could discover is that the LEDs on the gadget flip strong blue, however they’re most likely assuming they’re updating the firmware or one thing,” Matt stated. “Throughout a name, the LEDs do not flash like they usually do when the gadget is listening, so there is no indication that the microphone is open.”

Moreover, the assault might be prolonged to make arbitrary HTTP requests inside the sufferer’s community and even learn recordsdata or introduce malicious modifications to the linked gadget that may be utilized after a reboot.

This isn’t the primary time that assault strategies of this kind have been designed to covertly listen in on potential targets by way of voice-activated units.

In November 2019, a bunch of lecturers revealed a way known as Gentle Instructions, which refers to a vulnerability in MEMS microphones that enables attackers to remotely inject inaudible and invisible instructions into fashionable voice assistants comparable to Google Assistant, Amazon Alexa , Fb Portal and Apple Siri. utilizing mild

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Researcher Uncovers Potential Wiretapping Bugs in Google Home Smart Speakers

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