hostapd: hostapd before 2.10 and wpa_supplicant before 2.10 allow an incorrect indication of disconnection in certain situatio...
CVE-2019-16275 is fixed in 3 products on 1 platform, first by hostapd 2:2.6-15ubuntu2.5, released September 12, 2019. It is not reported as exploited. Patch Radar priority: Routine.
hostapd before 2.10 and wpa_supplicant before 2.10 allow an incorrect indication of disconnection in certain situations because source address validation is mishandled. This is a denial of service that should have been prevented by PMF (aka management frame protection). The attacker must send a crafted 802.11 frame from a location that is within the 802.11 communications range. An attacker in radio range of the access point could inject a specially constructed unauthenticated IEEE 802.11 frame to the access point to cause associated stations to be disconnected and require a reconnection to the network.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| hostapd · Ubuntu 18.04.6 LTS (bionic) | 2:2.6-15ubuntu2.5 | hostapd 2:2.6-15ubuntu2.5 | Sep 12, 2019 |
| wpagui · Ubuntu 18.04.6 LTS (bionic) | 2:2.6-15ubuntu2.5 | wpagui 2:2.6-15ubuntu2.5 | Sep 12, 2019 |
| wpasupplicant · Ubuntu 18.04.6 LTS (bionic) | 2:2.6-15ubuntu2.5 | wpasupplicant 2:2.6-15ubuntu2.5 | Sep 12, 2019 |
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