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Ubuntu Security Notice USN-2577-1
April 23, 2015

wpa vulnerability
==========================================================================

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

– 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 versions:

Ubuntu 14.10:
wpasupplicant 2.1-0ubuntu4.1

Ubuntu 14.04 LTS:
wpasupplicant 2.1-0ubuntu1.2

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

References:
http://www.ubuntu.com/usn/usn-2577-1
CVE-2015-1863

Package Information:
https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu4.1
https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu1.2

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