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CVE-2019-9496

Published: Apr 17, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-642
7.5HIGH
NVD MITRE
EPSS Score
4.5%
Top 9.3%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-642CWE-287

Affected Products

Wi-Fi Alliance
aka wi-fi-alliance
Протокол WPSMixed
Networking Infrastructure / network-management
hostapd with SAE supportMixed
Networking Infrastructure / network-management
wpa_supplicant with SAE supportMixed
Networking Infrastructure / network-management
w1.fi
oss-projectaka wpa_supplicant, wpa supplicant, hostapd
hostapdOn-premNetwork Device
Networking Infrastructure
wpa supplicantEmbeddedLibrary
Networking Infrastructure / network-management
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html
lists.opensuse.org
http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html
packetstormsecurity.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
lists.fedoraproject.org
and 13 more references View all →

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