According to this article a severe flaw in wpa2 protocol has been published making many systems using WiFi vulnerable to an attack. Should I be worried and has a patch been issued for Ubuntu?
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A fix has been issued as per USN-3455-1 . You should update your system with sudo apt-get update && sudo apt-get upgrade. The relevant versions for currently supported releases:
- Ubuntu 17.04:
hostapd 2.4-0ubuntu9.1
wpasupplicant 2.4-0ubuntu9.1 - Ubuntu 16.04 LTS:
hostapd 2.4-0ubuntu6.2
wpasupplicant 2.4-0ubuntu6.2 - Ubuntu 14.04 LTS:
hostapd 2.1-0ubuntu1.5
wpasupplicant 2.1-0ubuntu1.5
You should see an update of wpasupplicant during the update. More information about the attack is available on the GitHub page.
