Information disclosure in hostapd - CVE-2022-37660

Vulnerability identifier: #VU106025

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-37660

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to the way hostapd handles PKEX associations. A remote attacker can re-use public keys in order to gain access to sensitive information.

hostapd
Ubuntu
hostapd (Ubuntu package)
wpasupplicant (Ubuntu package)

Install updates from vendor's website.

hostapd - update to 2.11
hostapd (Ubuntu package) - addressed in versions 2:2.9-1ubuntu4.6, 2:2.10-6ubuntu2.2, 2:2.10-21ubuntu0.2, 2:2.10-22ubuntu0.1
wpasupplicant (Ubuntu package) - addressed in versions 2:2.9-1ubuntu4.6, 2:2.10-6ubuntu2.2, 2:2.10-21ubuntu0.2, 2:2.10-22ubuntu0.1

• https://link.springer.com/article/10.1007/s10207-025-00988-3
• https://w1.fi/cgit/hostap/commit/?id=15af83cf1846870873a011ed4d714732f01cd2e4

• Multiple vulnerabilities in hostapd
• Ubuntu update for wpa