Vulnerability Monitor

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CVE-2019-9496

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.

Published

2019-04-17T14:29:03.917

Last Modified

2024-11-21T04:51:43.933

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-642
  • Type: Primary
    CWE-287
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application w1.fi hostapd ≤ 2.7 Yes
Application w1.fi wpa_supplicant ≤ 2.7 Yes
Operating System fedoraproject fedora 28 Yes
Operating System fedoraproject fedora 29 Yes
Operating System fedoraproject fedora 30 Yes
References