Authentication bypass in iNet wireless daemon (IWD)

1) Improper Authentication

EUVDB-ID: #VU86770

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52161

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error within the eapol_auth_key_handle() function in eapol.c. A remote attacker can complete the EAPOL handshake by skipping Msg2/4 and instead sending Msg4/4 with an all-zero key and gain unauthorized access to the network.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

iNet wireless daemon (IWD): 0.1 - 2.13

External links

http://www.top10vpn.com/research/wifi-vulnerabilities/
http://git.kernel.org/pub/scm/network/wireless/iwd.git/commit/?id=6415420f1c92012f64063c131480ffcef58e60ca

Q & A

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.