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VuXML IDDescription
2da3cb25-6571-11e9-8e67-206a8a720317FreeBSD -- EAP-pwd missing commit validation

Problem Description:

EAP-pwd implementation in hostapd (EAP server) and wpa_supplicant (EAP peer) does not to validate the received scalar and element values in EAP-pwd-Commit messages properly. This could result in attacks that would be able to complete EAP-pwd authentication exchange without the attacker having to know the used password.

See https://w1.fi/security/2019-4/eap-pwd-missing-commit-validation.txt for a detailed description of the bug.

Impact:

All wpa_supplicant and hostapd versions with EAP-pwd support.


Discovery 2019-04-10
Entry 2019-04-23
Modified 2019-07-30
FreeBSD
ge 12.0 lt 12.0_3

ge 11.2 lt 11.2_9

wpa_supplicant
< 2.8

hostapd
< 2.8

CVE-2019-9497
CVE-2019-9498
CVE-2019-9499
SA-19:03.wpa