ESB-2017.3128 - [Ubuntu] linux-firmware: Multiple vulnerabilities 2017-12-07

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.3128
                      Linux firmware vulnerabilities
                              7 December 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           linux-firmware
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Access Privileged Data         -- Remote/Unauthenticated      
                   Provide Misleading Information -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-13081 CVE-2017-13080 

Reference:         ESB-2017.3015
                   ESB-2017.2905
                   ESB-2017.0190

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3505-1

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Ubuntu Security Notice USN-3505-1
December 06, 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

Summary:

Several security issues were fixed in linux-firmware.

Software Description:
- - linux-firmware: Firmware for Linux kernel drivers

Details:

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 versions:

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

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-3505-1
  CVE-2017-13080, CVE-2017-13081

Package Information:
  https://launchpad.net/ubuntu/+source/linux-firmware/1.169.1
  https://launchpad.net/ubuntu/+source/linux-firmware/1.164.2
  https://launchpad.net/ubuntu/+source/linux-firmware/1.157.14
  https://launchpad.net/ubuntu/+source/linux-firmware/1.127.24

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