SARA / Free Tools / CVE / CVE-2019-9494

CVE-2019-9494 — The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side

The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side channel attacks as a result of observable timing differences and cache access patterns. An attacker may be able to gain leaked information from a side channel attack that can be used for full password

CVSS
— —
EPSS
1.45% (top 19.40%)
CWE
CWE-208, CWE-524
Published
2019-04-17T13:31:08.000Z
Last modified
2024-08-04T21:54:44.172Z
CVSS vector
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01What is this vulnerability?

The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side channel attacks as a result of observable timing differences and cache access patterns. An attacker may be able to gain leaked information from a side channel attack that can be used for full password recovery. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are…

02Affected products

VendorProductVersions
Wi-Fi Alliancehostapd with SAE support2.7
Wi-Fi Alliancewpa_supplicant with SAE support2.7

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

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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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