SARA / Free Tools / CVE / CVE-2019-9495

CVE-2019-9495 — The implementations of EAP-PWD in hostapd and wpa_supplicant are vulnerable to s

The implementations of EAP-PWD in hostapd and wpa_supplicant are vulnerable to side-channel attacks as a result of cache access patterns. All versions of hostapd and wpa_supplicant with EAP-PWD support are vulnerable. The ability to install and execute applications is necessary f

CVSS
— —
EPSS
6.20% (top 9.20%)
CWE
CWE-524
Published
2019-04-17T13:31:08.000Z
Last modified
2024-08-04T21:54:44.180Z
CVSS vector
—

01What is this vulnerability?

The implementations of EAP-PWD in hostapd and wpa_supplicant are vulnerable to side-channel attacks as a result of cache access patterns. All versions of hostapd and wpa_supplicant with EAP-PWD support are vulnerable. The ability to install and execute applications is necessary for a successful attack. Memory access patterns are visible in a shared cache. Weak passwords may be cracked. Versions…

02Affected products

VendorProductVersions
Wi-Fi Alliancehostapd with EAPpwd support — 2.7
Wi-Fi Alliancewpa_supplicant with EAPpwd support — 2.7

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

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