The WPS UPnP function in hostapd, when using WPS AP, and wpa_supplicant, when using WPS external registrar (ER), 0.7.0 through 2.4 allows remote attackers to cause a denial of service (crash) via a negative chunk length, which triggers an out-of-bounds read or heap-based buffer overflow.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "hostapd-dbgsym": "1:2.1-0ubuntu1.3", "wpasupplicant-udeb": "2.1-0ubuntu1.3", "wpagui-dbgsym": "2.1-0ubuntu1.3", "hostapd": "1:2.1-0ubuntu1.3", "wpagui": "2.1-0ubuntu1.3", "wpasupplicant": "2.1-0ubuntu1.3", "wpasupplicant-udeb-dbgsym": "2.1-0ubuntu1.3", "wpasupplicant-dbgsym": "2.1-0ubuntu1.3" } ] }