Ubuntu Security Notice 2577-1 - 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.
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Ubuntu Security Notice USN-2577-1
April 23, 2015
wpa vulnerability
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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