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CVE-2019-9497

Status Candidate

Overview

The implementations of EAP-PWD in hostapd EAP Server and wpa_supplicant EAP Peer do not validate the scalar and element values in EAP-pwd-Commit. This vulnerability may allow an attacker to complete EAP-PWD authentication without knowing the password. However, unless the crypto library does not implement additional checks for the EC point, the attacker will not be able to derive the session key or complete the key exchange. 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.

Related Files

FreeBSD Security Advisory - FreeBSD-SA-19:03.wpa
Posted May 15, 2019
Site security.freebsd.org

FreeBSD Security Advisory - Multiple vulnerabilities exist in the hostapd(8) and wpa_supplicant(8) implementations.

tags | advisory, vulnerability
systems | freebsd, bsd
advisories | CVE-2019-9494, CVE-2019-9495, CVE-2019-9496, CVE-2019-9497
SHA-256 | d9b765e8617c1094fd1b44bc80bae21176c9518147b96b6da2dc72d5f4fecdd6
Debian Security Advisory 4430-1
Posted Apr 11, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4430-1 - Mathy Vanhoef (NYUAD) and Eyal Ronen (Tel Aviv University & KU Leuven) found multiple vulnerabilities in the WPA implementation found in wpa_supplication (station) and hostapd (access point). These vulnerability are also collectively known as "Dragonblood".

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2019-9495, CVE-2019-9497, CVE-2019-9498, CVE-2019-9499
SHA-256 | e4cc520a6f88594171e81ee3cde6f6aec1740ca7d34b2fc6ac799e9719e96151
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