CVEvulnerability

CVE-2019-9496

7.5 HIGH Published 2019-04-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-04-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-287, CWE-642

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.

Affected configurations

• w1.fi hostapd (<= 2.7) • w1.fi wpa supplicant (<= 2.7) • fedoraproject fedora 28 • fedoraproject fedora 29 • fedoraproject fedora 30

Related

Weakness · CWE (2)

  • CWE-287 Improper Authentication weakness
  • CWE-642 External Control of Critical State Data weakness

References