Fedora 40 update for iwd, libell



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-52161
CWE-ID CWE-287
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

libell
Operating systems & Components / Operating system package or component

iwd
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU86770

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 - 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 repository.

Vulnerable software versions

Fedora: 40

libell: before 0.63-1.fc40

iwd: before 2.15-1.fc40

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2024-58c59bfa4c


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.



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