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CVE-2019-16275

Published: 13 September 2019

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.

Priority

Medium

CVSS 3 base score: 6.5

Status

Package Release Status
wpa
Launchpad, Ubuntu, Debian
bionic
Released (2:2.6-15ubuntu2.5)
disco
Released (2:2.6-21ubuntu3.3)
precise Does not exist

trusty
Released (2.1-0ubuntu1.7+esm2)
upstream Needs triage

xenial
Released (2.4-0ubuntu6.6)
Patches:
upstream: https://w1.fi/security/2019-7/0001-AP-Silently-ignore-management-frame-from-unexpected-.patch
wpasupplicant
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

precise
Released (0.7.3-6ubuntu2.5)
trusty Does not exist

upstream Needs triage

xenial Does not exist