Ubuntu Security Notice USN-3505-1
6th December, 2017
linux-firmware vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in linux-firmware.
Software description
Mathy Vanhoef discovered that the firmware for several Intel WLAN
devices incorrectly handled WPA2 in relation to Wake on WLAN. A
remote attacker could use this issue with key reinstallation attacks
to obtain sensitive information. (CVE-2017-13080, CVE-2017-13081)
Update instructions
The problem can be corrected by updating your system to the following package version:
Ubuntu 17.10:
linux-firmware 1.169.1
Ubuntu 17.04:
linux-firmware 1.164.2
Ubuntu 16.04 LTS:
linux-firmware 1.157.14
Ubuntu 14.04 LTS:
linux-firmware 1.127.24
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
CVE-2017-13080, CVE-2017-13081
Continue reading...
6th December, 2017
linux-firmware vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Several security issues were fixed in linux-firmware.
Software description
- linux-firmware - Firmware for Linux kernel drivers
Mathy Vanhoef discovered that the firmware for several Intel WLAN
devices incorrectly handled WPA2 in relation to Wake on WLAN. A
remote attacker could use this issue with key reinstallation attacks
to obtain sensitive information. (CVE-2017-13080, CVE-2017-13081)
Update instructions
The problem can be corrected by updating your system to the following package version:
Ubuntu 17.10:
linux-firmware 1.169.1
Ubuntu 17.04:
linux-firmware 1.164.2
Ubuntu 16.04 LTS:
linux-firmware 1.157.14
Ubuntu 14.04 LTS:
linux-firmware 1.127.24
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
CVE-2017-13080, CVE-2017-13081
Continue reading...