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CVE
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CVE-2019-9495Date: (C)2019-06-19   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 3.7CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 1.4Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: LOWAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
https://seclists.org/bugtraq/2019/May/40
FEDORA-2019-d03bae77f5
FEDORA-2019-eba1109acd
FEDORA-2019-f409af9fbe
FreeBSD-SA-19:03
https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html
http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html
https://w1.fi/security/2019-2/
https://www.synology.com/security/advisory/Synology_SA_19_16
openSUSE-SU-2020:0222

CPE    3
cpe:/o:debian:debian_linux:8.0
cpe:/a:w1.fi:hostapd
cpe:/a:w1.fi:wpa_supplicant
CWE    1
CWE-203
OVAL    11
oval:org.secpod.oval:def:54399
oval:org.secpod.oval:def:54400
oval:org.secpod.oval:def:54504
oval:org.secpod.oval:def:54266
...

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