Buzz
If your Android device hasn't received operating system updates for a while, you should do so now. Security researchers at ERNW have discovered the BlueFrag vulnerability, allowing attackers to silently spread malicious software and steal data from phones running Android 8 Oreo or Android 9 Pie via Bluetooth. Intruders only need to know the target's Bluetooth MAC address, which can sometimes be easily guessed just by looking at the WiFi MAC address. ERNW warns that you may not even realize the attack is happening.
Android security vulnerability enables hackers to transmit malware via Bluetooth.
BlueFrag does not work with Android 10. Previous versions before Android 8 may be affected, but the group did not 'assess the impact' on older releases. Users can protect themselves by installing the February 2020 security patch, and the nature of the Bluetooth transmission vulnerability means you would have to be relatively close to the attacker. This would mainly occur in public spaces where there are many targets.
As you can imagine, the issue of many affected devices stems from not receiving Android operating system updates or not consistently updating. Google only requires popular phone manufacturers to provide security updates for 2 years, and that policy seems to have been enforced as of early 2019.
It's evident that Android 8 has surpassed that 2-year mark, and you might never receive the BlueFrag fix if your phone is 'too old.' Requirements also allow providers up to 90 days before patching a vulnerability. This could leave users vulnerable for months even when they expect to receive security updates.
https://Mytour.vn/lo-hong-bao-mat-android-cho-phep-hacker-gui-ma-doc-qua-bluetooth-26349n.aspx
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