USN-4098-1: wpa_supplicant and hostapd vulnerability
wpa vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.04 LTS
Summary
wpa_supplicant and hostapd could be made to expose sensitive information
over the network.
Software Description
- wpa – client support for WPA and WPA2
Details
It was discovered that wpa_supplicant and hostapd were vulnerable to a side
channel attack against EAP-pwd. A remote attacker could possibly use this
issue to recover certain passwords.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- hostapd – 2:2.6-21ubuntu3.2
- wpasupplicant – 2:2.6-21ubuntu3.2
- Ubuntu 18.04 LTS
- hostapd – 2:2.6-15ubuntu2.4
- wpasupplicant – 2:2.6-15ubuntu2.4
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Source: USN-4098-1: wpa_supplicant and hostapd vulnerability
