Wi-Fi encryption bypass in FreeBSD

1) Missing Encryption of Sensitive Data

EUVDB-ID: #VU74346

Risk: Medium

CVSSv4.0: 6.7 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-47522

CWE-ID: CWE-311 - Missing Encryption of Sensitive Data

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the way Wi-Fi devices manage transmit queues. A remote attacker can force the device to send traffic unencrypted by manipulating the transmit queues.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FreeBSD: 12.0 - 13.2

CPE2.3

• cpe:2.3:o:freebsd_foundation:freebsd:12.0:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd_foundation:freebsd:12.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd_foundation:freebsd:12.2:*:*:*:*:*:*:*

External links

https://www.freebsd.org/security/advisories/FreeBSD-SA-23:11.wifi.asc

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.