Auth bypass in FreeBSD
CVE-2019-9499
The implementations of EAP-PWD in wpa_supplicant EAP Peer, when built against a crypto library missing explicit validation on imported elements, do not validate the scalar and element values in EAP-pwd-Commit. An attacker may complete authentication, session key and control of the data connection with a client. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.4 are affected. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.
EPSS: 0.022 (81.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Freebsd — versions 11.2, 12.0
- Synology Radius_server — versions 3.0
- Synology Router_manager — versions 1.2
- W1.fi Hostapd
- W1.fi Wpa_supplicant
- Wi-fi Alliance Hostapd With Eap-pwd Support — versions 2.7
- Wi-fi Alliance Hostapd With Sae Support — versions 2.4
- Wi-fi Alliance Wpa_supplicant With Eap-pwd Support — versions 2.7
- Wi-fi Alliance Wpa_supplicant With Sae Support — versions 2.4
- Debian Debian_linux — versions 8.0
Weakness classification (CWE)
References
- cret@cert.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cret@cert.org (x_refsource_CONFIRM, Third Party Advisory)
- cret@cert.org (x_refsource_FEDORA, vendor-advisory)
- cret@cert.org (x_refsource_FEDORA, vendor-advisory)
- cret@cert.org (x_refsource_FEDORA, vendor-advisory)
- cret@cert.org (x_refsource_FREEBSD, vendor-advisory, Third Party Advisory)
- cret@cert.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cret@cert.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cret@cert.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2019-9499?
- CVE-2019-9499 is a high-severity vulnerability in FreeBSD, classified under Origin Validation Error. CVSS score: 8.1/10. Published 2019-04-17.
- How severe is CVE-2019-9499?
- High severity. CVSS v3 base score is 8.1 out of 10.