1. Ubuntu Security Notices
  2. USN-2808-1

USN-2808-1: wpa_supplicant and hostapd vulnerabilities

Publication date

10 November 2015

Overview

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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
15.10 wily hostapd –  2.4-0ubuntu3.2
wpasupplicant –  2.4-0ubuntu3.2
15.04 vivid hostapd –  2.1-0ubuntu7.3
wpasupplicant –  2.1-0ubuntu7.3
14.04 trusty hostapd –  1:2.1-0ubuntu1.4
wpasupplicant –  2.1-0ubuntu1.4

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References

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