Vulnerability identifier: #VU23611
Vulnerability risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-440
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
hostapd
Server applications /
Remote access servers, VPN
Vendor: Jouni Malinen
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the 802.11w security state handling connected clients with valid 802.11w sessions. A remote attacker on the local network can simulate an incomplete new association, trigger a deauthentication against stations using 802.11w and cause a denial of service condition on the target system.
Note: This vulnerability affects hostapd on a Raspberry Pi.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
hostapd: 2.6
External links
http://talosintelligence.com/vulnerability_reports/TALOS-2019-0850
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.