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CVE-2019-9495

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.

Risk Information

Base Score
3.7
MODERATE
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score
Exploitation Probability
4.666

Associated Vulnerability

VulnerabilityOS Platform
client support for WPA and WPA2 (USN-3745-1) hostapd_2.1-0ubuntu1.7_i386.debLinux
client support for WPA and WPA2 (USN-3745-1) hostapd_2.1-0ubuntu1.7_amd64.debLinux
client support for WPA and WPA2 (USN-3745-1) hostapd_2.4-0ubuntu6.4_i386.debLinux
client support for WPA and WPA2 (USN-3745-1) hostapd_2.4-0ubuntu6.4_amd64.debLinux
client support for WPA and WPA2 (USN-3745-1) hostapd_2.6-15ubuntu2.2_i386.debLinux
client support for WPA and WPA2 (USN-3745-1) hostapd_2.6-15ubuntu2.2_amd64.debLinux
client support for WPA and WPA2 (USN-3745-1) wpasupplicant_2.1-0ubuntu1.7_i386.debLinux
client support for WPA and WPA2 (USN-3745-1) wpasupplicant_2.1-0ubuntu1.7_amd64.debLinux
client support for WPA and WPA2 (USN-3745-1) wpasupplicant_2.4-0ubuntu6.4_i386.debLinux
client support for WPA and WPA2 (USN-3745-1) wpasupplicant_2.4-0ubuntu6.4_amd64.debLinux
client support for WPA and WPA2 (USN-3745-1) wpasupplicant_2.6-15ubuntu2.2_i386.debLinux
client support for WPA and WPA2 (USN-3745-1) wpasupplicant_2.6-15ubuntu2.2_amd64.debLinux
client support for WPA and WPA2 (USN-3944-1) hostapd_2.1-0ubuntu1.7_i386.debLinux
client support for WPA and WPA2 (USN-3944-1) hostapd_2.1-0ubuntu1.7_amd64.debLinux
client support for WPA and WPA2 (USN-3944-1) hostapd_2.4-0ubuntu6.4_i386.debLinux
client support for WPA and WPA2 (USN-3944-1) hostapd_2.4-0ubuntu6.4_amd64.debLinux
client support for WPA and WPA2 (USN-3944-1) hostapd_2.6-15ubuntu2.2_i386.debLinux
client support for WPA and WPA2 (USN-3944-1) hostapd_2.6-15ubuntu2.2_amd64.debLinux
client support for WPA and WPA2 (USN-3944-1) hostapd_2.6-18ubuntu1.1_i386.debLinux
client support for WPA and WPA2 (USN-3944-1) hostapd_2.6-18ubuntu1.1_amd64.debLinux
client support for WPA and WPA2 (USN-3944-1) wpasupplicant_2.1-0ubuntu1.7_i386.debLinux
client support for WPA and WPA2 (USN-3944-1) wpasupplicant_2.1-0ubuntu1.7_amd64.debLinux
client support for WPA and WPA2 (USN-3944-1) wpasupplicant_2.4-0ubuntu6.4_i386.debLinux
client support for WPA and WPA2 (USN-3944-1) wpasupplicant_2.4-0ubuntu6.4_amd64.debLinux
client support for WPA and WPA2 (USN-3944-1) wpasupplicant_2.6-15ubuntu2.2_i386.debLinux
client support for WPA and WPA2 (USN-3944-1) wpasupplicant_2.6-15ubuntu2.2_amd64.debLinux
client support for WPA and WPA2 (USN-3944-1) wpasupplicant_2.6-18ubuntu1.1_i386.debLinux
client support for WPA and WPA2 (USN-3944-1) wpasupplicant_2.6-18ubuntu1.1_amd64.debLinux
SUSE-SU-2020:3424-1(SUSE Linux Enterprise Server 12-SP5 ) wpa_supplicant-2.9-23.3.1.x86_64.rpmLinux
SUSE-SU-2020:3424-1(SUSE Linux Enterprise Server 12-SP5 ) wpa_supplicant-debuginfo-2.9-23.3.1.x86_64.rpmLinux
SUSE-SU-2020:3424-1(SUSE Linux Enterprise Server 12-SP5 ) wpa_supplicant-debugsource-2.9-23.3.1.x86_64.rpmLinux
Observable Discrepancy Vulnerability (CVE-2019-9495)NCM

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234