cve/2019/CVE-2019-9495.md

### [CVE-2019-9495](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9495)
![](https://img.shields.io/static/v1?label=Product&message=hostapd%20with%20EAP-pwd%20support&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=wpa_supplicant%20with%20EAP-pwd%20support&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=2.7%3C%3D%202.7%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-524%20Information%20Exposure%20Through%20Caching&color=brighgreen)

### 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.

### POC

#### Reference
- http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html

#### Github
No PoCs found on GitHub currently.