CVE-2019-9495
The implementations of EAP-PWD in hostapd and wpa_supplicant are vulnerable to side-channel attacks as a result of cache access patterns
- State
- Published
- Severity
- Not scored
- Published
- Apr 17, 2019
- Updated
- Aug 4, 2024
- Reserved
- Mar 1, 2019
Description
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.
Scores
The record has no CVSS score.
Weaknesses
- CWE-524 Information Exposure Through Caching
Affected Products
| Product | Versions |
|---|---|
hostapd with EAP-pwd supportWi-Fi Alliance |
|
wpa_supplicant with EAP-pwd supportWi-Fi Alliance |
|
References
- https://w1.fi/security/2019-2/
- https://www.synology.com/security/advisory/Synology_SA_19_16
- FEDORA-2019-d03bae77f5vendor-advisory
- FEDORA-2019-f409af9fbevendor-advisory
- FEDORA-2019-eba1109acdvendor-advisory
- FreeBSD-SA-19:03vendor-advisory
- 20190515 FreeBSD Security Advisory FreeBSD-SA-19:03.wpamailing-list
- http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html
- [debian-lts-announce] 20190731 [SECURITY] [DLA 1867-1] wpa security updatemailing-list
- openSUSE-SU-2020:0222vendor-advisory
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