CVE-2019-9494

MEDIUMMonitor

Published:Apr 17, 2019(7 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo Interaction

Vulnerability Description

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 affected.

Attack Characteristics

Network AccessHigh ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
w1.fi	hostapd	2.7	-
w1.fi	wpa_supplicant	2.7	-
fedoraproject	fedora	-

Timeline

Published
CVE disclosed publicly
Apr 17, 20197 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021....Mailing List
http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-...Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists...

CVSS Score

v3.1

5.9/ 10.0

MEDIUM

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

At a Glance

Affected Products

References

w1.fi / hostapd

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

https://seclists.org/bugtraq/2019/May/40Mailing List

https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.ascThird Party Advisory

https://w1.fi/security/2019-1/Patch

https://www.synology.com/security/advisory/Synology_SA_19_16Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021....Mailing List

http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-...Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

https://seclists.org/bugtraq/2019/May/40Mailing List

https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.ascThird Party Advisory

https://w1.fi/security/2019-1/Patch

https://www.synology.com/security/advisory/Synology_SA_19_16Third Party Advisory

CVSS v3 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityHigh

IntegrityNone

AvailabilityNone

Impact Analysis

ConfidentialityHigh

NoneLowHigh

IntegrityNone

NoneLowHigh

AvailabilityNone

NoneLowHigh

CVE-2019-9494

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description