Improper Authentication in Fortinet WiFi WPA3 standard implementation for FortiOS and FortiAP-S/W2
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-9496 |
| CWE-ID | CWE-287 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Meru Controller Hardware solutions / Routers & switches, VoIP, GSM, etc Meru AP Hardware solutions / Routers & switches, VoIP, GSM, etc FortiAP-W2 Hardware solutions / Routers & switches, VoIP, GSM, etc FortiAP-S Hardware solutions / Routers & switches, VoIP, GSM, etc FortiOS Operating systems & Components / Operating system |
| Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Authentication
EUVDB-ID: #VU23961
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-9496
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to missing state validation steps when processing the
SAE confirm message when in hostapd/AP mode. A remote attacker can bypass authentication process, force the hostapd process to terminate and perform a denial of service (DoS) attack on the target system.
Install updates from vendor's website.
Meru Controller: 8.5.0
Meru AP: 8.5.0
FortiAP-W2: 6.2.0 - 6.2.1
FortiAP-S: 6.2.0 - 6.2.1
FortiOS: 6.2.0 - 6.2.2
External linkshttp://fortiguard.com/psirt/FG-IR-19-107
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
