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USN-2808-1: wpa_supplicant and hostapd vulnerabilities

10 November 2015

Several security issues were fixed in wpa_supplicant and hostapd.

Releases

Packages

  • wpa - client support for WPA and WPA2

Details

It was discovered that wpa_supplicant incorrectly handled WMM Sleep Mode
Response frame processing. A remote attacker could use this issue to
perform broadcast/multicast packet injections, or cause a denial of
service. (CVE-2015-5310)

It was discovered that wpa_supplicant and hostapd incorrectly handled
certain EAP-pwd messages. A remote attacker could use this issue to cause a
denial of service. (CVE-2015-5314, CVE-2015-5315)

It was discovered that wpa_supplicant incorrectly handled certain EAP-pwd
Confirm messages. A remote attacker could use this issue to cause a
denial of service. This issue only applied to Ubuntu 15.10. (CVE-2015-5316)

Update instructions

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

Ubuntu 15.10
Ubuntu 15.04
Ubuntu 14.04

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