USN-2577-1: wpa_supplicant vulnerability

Ubuntu Security Notice USN-2577-1

23rd April, 2015

wpa vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu (vivid)
• Ubuntu 14.10
• Ubuntu 14.04 LTS

Summary

wpa_supplicant could be made to crash, expose memory, or run programs if it received specially crafted network traffic.

Software description

• wpa - client support for WPA and WPA2

Details

It was discovered that wpa_supplicant incorrectly handled SSID information
when creating or updating P2P peer entries. A remote attacker could use
this issue to cause wpa_supplicant to crash, resulting in a denial of
service, expose memory contents, or possibly execute arbitrary code.

Update instructions

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

Ubuntu (vivid):

wpasupplicant 2.1-0ubuntu7.1

Ubuntu 14.10:

wpasupplicant 2.1-0ubuntu4.1

Ubuntu 14.04 LTS:

wpasupplicant 2.1-0ubuntu1.2

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2015-1863

from Ubuntu Security Notices http://ift.tt/1yT6LrS