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VULNERABILITIES

CVE-2019-9496 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html CVE
http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/ CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/ CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/ CVE

see all 18 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-287Improper Authentication[email protected]
CWE-642External Control of Critical State Data[email protected]

Affected Products

ProductVersions
w1.fi hostapd
<= 2.7

CPE

  • cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
w1.fi wpa supplicant
<= 2.7

CPE

  • cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
28
29
30

CPE

  • cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

14 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-9496
NVD Published Date:
Apr 17, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-9496 Details - Not Deferred