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Published: 10 April 2019

The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side channel attacks as a result of observable timing differences and cache access patterns. An attacker may be able to gain leaked information from a side channel attack that can be used for full password recovery. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.



CVSS 3 base score: 5.9


Package Release Status
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not built)
cosmic Not vulnerable
(code not built)
precise Does not exist

trusty Not vulnerable
(code not built)
Released (2.8)
xenial Not vulnerable
(code not built)
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

precise Not vulnerable
(code not built)
trusty Does not exist

upstream Needs triage

xenial Does not exist