CVE-2019-9498 — Origin Validation Error in Alliance Hostapd With Eap-pwd Support

CWE-346 — Origin Validation ErrorCWE-287 — Improper AuthenticationCWE-345 — Insufficient Verification of Data Authenticity11 documents9 sources
Severity
8.1HIGHNVD
EPSS
1.2%
top 20.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
13
Wi-fi Alliance Hostapd With Eap-pwd SupportWi-fi Alliance Hostapd With SAE SupportWi-fi Alliance WPA Supplicant With Eap-pwd Support+10 more
Timeline
PublishedApr 17
Latest updateMay 13

Description

The implementations of EAP-PWD in hostapd EAP Server, 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 be able to use invalid scalar/element values to complete authentication, gaining session key and network access without needing or learning the password. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.4 are affected. Both hosta…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages11 packages

▶NVDw1.fi/hostapd2.5 — 2.7+1

Also affects: Debian Linux 8.0, Fedora 28, 29, 30

Patches

Patch: w1.fi ↗Patch: w1.fi ↗

🔴Vulnerability Details

4
GHSA
GHSA-vv3p-4cq3-5ppc: The implementations of EAP-PWD in hostapd EAP Server, when built against a crypto library missing explicit validation on imported elements, do not val↗2022-05-13
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CVEList
The implementations of EAP-PWD in hostapd EAP Server do not validate the scalar and element values in EAP-pwd-Commit↗2019-04-17
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OSV
CVE-2019-9498: The implementations of EAP-PWD in hostapd EAP Server, when built against a crypto library missing explicit validation on imported elements, do not val↗2019-04-17
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OSV
wpa vulnerabilities↗2019-04-10
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📋Vendor Advisories

5
BSD
FreeBSD-SA-19:03.wpa: Multiple vulnerabilities in hostapd and wpa_supplicant↗2019-05-14
▶
Ubuntu
wpa_supplicant and hostapd vulnerabilities↗2019-04-10
▶
Red Hat
wpa_supplicant: EAP-pwd server missing commit validation for scalar/element↗2019-04-10
▶
Red Hat
freeradius: eap-pwd: authentication bypass via an invalid curve attack↗2019-04-10
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Debian
CVE-2019-9498: wpa - The implementations of EAP-PWD in hostapd EAP Server, when built against a crypt...↗2019
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💬Community

1
Bugzilla
CVE-2019-9498 wpa_supplicant: EAP-pwd server missing commit validation for scalar/element↗2019-04-12
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CVE-2019-9498 — Origin Validation Error | cvebase