CVE-2019-9494
5.9
MEDIUM
CVSS 3.1
EPSS 1.5%
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.
How to fix CVE-2019-9494
To remediate CVE-2019-9494, upgrade the affected package to a fixed version below.
- —upgrade to 2.7-r2 or later
- —upgrade to 2:2.7+git20190128+0c1e29f-4 or later
Is CVE-2019-9494 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.7-r2
- from 0, < 2:2.7+git20190128+0c1e29f-4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |