#VU86770 Improper Authentication in iNet wireless daemon (IWD) - CVE-2023-52161

Vulnerability identifier: #VU86770

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-52161

CWE-ID: CWE-287

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
iNet wireless daemon (IWD)
Hardware solutions / Drivers

Vendor: iwd.wiki.kernel.org

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

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

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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.