Improper authentication in wpa_supplicant - CVE-2023-52160
Published: February 23, 2024 / Updated: September 6, 2024
Vulnerability identifier: #VU86768
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2023-52160
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability:
Public exploit is available
Vendor: Jouni Malinen
Affected software:
wpa_supplicant
wpa_supplicant
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the PEAP implementation. A remote attacker can bypass authentication process by sending an EAP-TLV Success packet instead of starting Phase 2.
Successful exploitation of the vulnerability requires that wpa_supplicant is configured to not verify the network's TLS certificate during Phase 1 authentication.
How to mitigate CVE-2023-52160
Install updates from vendor's website.