Integer underflow in the WMM Action frame parser in hostapd 0.5.5 through 2.4 and wpa_supplicant 0.7.0 through 2.4, when used for AP mode MLME/SME functionality, allows remote attackers to cause a denial of service (crash) via a crafted frame, which triggers an out-of-bounds read.
{ "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" } ] }