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Ubuntu 18.04, 16.04, 14.04 LTS: 3745-1 Critical: wpa_supplicant Exposure

ubuntu
Calendar Grey August 20, 2018
Dist Ubuntu Esm H88
Critical vulnerabilities may allow exposure of sensitive information via specially designed messages sent to wpa_supplicant and hostapd on Ubuntu. Ensure your systems are updated immediately!
wpa_supplicant and hostapd could be made to expose sensitiveinformation if it received a crafted message.

Summary

wpa_supplicant and hostapd could be made to expose sensitive

information if it received a crafted message.

Software Description:

- wpa: client support for WPA and WPA2

Details:

It was discovered that wpa_supplicant and hostapd incorrectly handled

certain messages. An attacker could possibly use this to access

sensitive information.

Topics%20covered

Topics Covered

security advisory critical information exposure ubuntu wpa_supplicant network threat hostapd

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
  hostapd                         2:2.6-15ubuntu2.1
  wpasupplicant                   2:2.6-15ubuntu2.1

Ubuntu 16.04 LTS:
  hostapd                         2.4-0ubuntu6.3
  wpasupplicant                   2.4-0ubuntu6.3

Ubuntu 14.04 LTS:
  hostapd                         2.1-0ubuntu1.6
  wpasupplicant                   2.1-0ubuntu1.6

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

References

  https://ubuntu.com/security/notices/USN-3745-1

  CVE-2018-14526

Severity
critical
Lowest
Low
Medium
High
Critical

August 20, 2018

Topics%20covered

Topics Covered

security advisory critical information exposure ubuntu wpa_supplicant network threat hostapd

Package Information

  https://launchpad.net/ubuntu/+source/wpa/2:2.6-15ubuntu2.1
  https://launchpad.net/ubuntu/+source/wpa/2.4-0ubuntu6.3
  https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu1.6

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