VDB
ALPINE-CVE-2019-9495
ALPINE-CVE-2019-9495
PUBLISHED
CVSS 3.700000047683716 LOW
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 of hostapd/wpa_supplicant 2.7 and newer, are not vulnerable to the timing attack described in CVE-2019-9494. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.
Risk Scores
CVSS v3.1
3.700000047683716
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.10 | wpa_supplicant | 0, 0.5.11-r0, 0.6.10-r0 |
| Alpine:v3.14 | wpa_supplicant | 0, 2.7-r1, 2.7-r0 |
| Alpine:v3.15 | wpa_supplicant | 2.4-r3, 0.6.10-r0, 0.6.9-r0 |
| Alpine:v3.22 | wpa_supplicant | 2.0-r1, 2.7-r0, 2.6-r9 |
| Alpine:v3.21 | wpa_supplicant | 2.6-r3, 0.6.10-r0, 0.6.9-r0 |
| Alpine:v3.12 | wpa_supplicant | 0.5.11-r0, 0.6.10-r0, 0.6.9-r0 |
| Alpine:v3.18 | wpa_supplicant | 2.6-r1, 2.7-r1, 2.7-r0 |
| Alpine:v3.23 | wpa_supplicant | 0, 2.7-r1, 2.7-r0 |
| Alpine:v3.9 | wpa_supplicant | 0.5.11-r0, 0, 2.7-r1 |
| Alpine:v3.16 | wpa_supplicant | 0.5.11-r0, 0.6.9-r1, 0.7.1-r0 |
| Alpine:v3.19 | wpa_supplicant | 0.7.1-r0, 0, 0.5.11-r0 |
| Alpine:v3.17 | wpa_supplicant | 2.7-r0, 2.7-r1, 2.6-r8 |
| Alpine:v3.13 | wpa_supplicant | 0, 0.5.11-r0, 0.7.1-r0 |
| Alpine:v3.11 | wpa_supplicant | 0.5.11-r0, 0, 2.7-r1 |
| Alpine:v3.20 | wpa_supplicant | 2.6-r9, 2.7-r0, 2.6-r8 |
Timeline
- Apr 17, 2019 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch