SARA / Free Tools / CVE / CVE-2019-9497

CVE-2019-9497 — The implementations of EAP-PWD in hostapd EAP Server and wpa_supplicant EAP Peer

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 l

CVSS
— —
EPSS
9.11% (top 7.40%)
CWE
CWE-301
Published
2019-04-17T13:31:08.000Z
Last modified
2024-08-04T21:54:44.151Z
CVSS vector
—

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
Wi-Fi Alliancehostapd with EAPpwd support — 2.7
Wi-Fi Alliancewpa_supplicant with EAPpwd support — 2.7
Wi-Fi Alliancehostapd with SAE support2.4
Wi-Fi Alliancewpa_supplicant with SAE support2.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →