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FreeBSD: VID-98B71436-656D-11E9-8E67-206A8A720317 (CVE-2019-9496): FreeBSD -- SAE confirm missing state validation

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FreeBSD: VID-98B71436-656D-11E9-8E67-206A8A720317 (CVE-2019-9496): FreeBSD -- SAE confirm missing state validation

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
04/10/2019
Created
04/25/2019
Added
04/23/2019
Modified
05/07/2019

Description

An invalid authentication sequence could result in the hostapd process terminating due to missing state validation steps when processing the SAE confirm message when in hostapd/AP mode. All version of hostapd with SAE support are vulnerable. An attacker may force the hostapd process to terminate, performing a denial of service attack. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.

Solution(s)

  • freebsd-upgrade-base-11_2-release-p9
  • freebsd-upgrade-base-12_0-release-p3
  • freebsd-upgrade-package-hostapd
  • freebsd-upgrade-package-wpa_supplicant

References

  • CVE-2019-9496

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