The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not validate that a message is long enough to contain the Total-Length field, which allows remote attackers to cause a denial of service (crash) via a crafted message.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1:2.1-0ubuntu1.3", "binary_name": "hostapd" }, { "binary_version": "1:2.1-0ubuntu1.3", "binary_name": "hostapd-dbgsym" }, { "binary_version": "2.1-0ubuntu1.3", "binary_name": "wpagui" }, { "binary_version": "2.1-0ubuntu1.3", "binary_name": "wpagui-dbgsym" }, { "binary_version": "2.1-0ubuntu1.3", "binary_name": "wpasupplicant" }, { "binary_version": "2.1-0ubuntu1.3", "binary_name": "wpasupplicant-dbgsym" }, { "binary_version": "2.1-0ubuntu1.3", "binary_name": "wpasupplicant-udeb" }, { "binary_version": "2.1-0ubuntu1.3", "binary_name": "wpasupplicant-udeb-dbgsym" } ] }