Friday, December 8, 2023

Wi-Fi Bug in Millions of Amazon Echo and Kindle Devices Let Attackers Steal Sensitive Details

The KRACK attack was published by two Belgian researchers in October 2017. The attacks are based on the weaknesses in the WPA2 protocol used in modern Wi-Fi devices.

The weakness can be exploited by the attackers using key reinstallation attacks if the victim resides within the network. Successful exploitation of the attack allows attackers to steal sensitive details such as credit card numbers, passwords, chat messages, emails, photos, and so on.

KRACK in Amazon Echo & Kindle

Amazon Echo and Kindle devices are so popular and they are used by Millions of users around the globe. ESET Smart Home researchers observed that Amazon Echo and Kindle devices are vulnerable to KRACK attacks.

Researchers tested the 1st generation of the Amazon Echo devices with original Amazon Alexa and the 8th generation of Amazon Kindle are vulnerable to two KRACK vulnerabilities.

With KRACK scripts, ESET researchers able to “replicate the reinstallation of the pairwise encryption key (PTK-TK) in the four-way handshake (CVE-2017-13077) and reinstallation of the group key (GTK) in the four-way handshake (CVE-2017-13078).”

According to the ESET team, the vulnerabilities let attackers to

  • Replay old packets to cause a DOS attack or interruptions.
  • Decrypt the data transmitted.
  • Attackers can also forge packets.
  • It can also intercept sensitive details such as passwords or session cookies.

The Amazon home assistant found to be vulnerable to other network vulnerabilities than KRACK. The vulnerability lets attackers launch a broadcast replay attack.

The vulnerabilities were reported to Amazon on October 23rd, 2018 and Amazon acknowledged the issue and on January 8th, 2019 ESET receives that Amazon can replicate the issue.

To fix the vulnerabilities Amazon distributing a new version of software application wpa_supplicant that responsible for correct authentication to the Wi-Fi network.

You can follow us on LinkedinTwitterFacebook for daily Cybersecurity and hacking news updates


Latest articles

Exploitation Methods Used by PlugX Malware Revealed by Splunk Research

PlugX malware is sophisticated in evasion, as it uses the following techniques to avoid...

TA422 Hackers Attack Organizations Using Outlook & WinRAR Vulnerabilities

Hackers exploit Outlook and WinRAR vulnerabilities because these widely used software programs are lucrative...

Bluetooth keystroke-injection Flaw: A Threat to Apple, Linux & Android Devices

An unauthenticated Bluetooth keystroke-injection vulnerability that affects Android, macOS, and iOS devices has been...

Atlassian Patches RCE Flaw that Affected Multiple Products

Atlassian has been discovered with four new vulnerabilities associated with Remote Code Execution in...

Reflectiz Introduces AI-powered Insights on Top of Its Smart Alerting System

Reflectiz, a cybersecurity company specializing in continuous web threat management, proudly introduces a new...

SLAM Attack Gets Root Password Hash in 30 Seconds

Spectre is a class of speculative execution vulnerabilities in microprocessors that can allow threat...

Akira Ransomware Exploiting Zero-day Flaws For Organization Network Access

The Akira ransomware group, which first appeared in March 2023, has been identified as...

Endpoint Strategies for 2024 and beyond

Converge and Defend

What's the pulse of Unified Endpoint Management and Security (UEMS) in Europe? Join us live to uncover the strategies that are defining endpoint security in the region.

Related Articles