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SUSE: CVE-2019-9495: SUSE Linux Security Advisory

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SUSE: CVE-2019-9495: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
04/17/2019
Created
02/19/2020
Added
02/16/2020
Modified
02/04/2022

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.

Solution(s)

  • suse-upgrade-hostapd
  • suse-upgrade-wpa_supplicant
  • suse-upgrade-wpa_supplicant-gui

References

  • SUSE-SU-2020:3380-1
  • SUSE-SU-2020:3424-1
  • CVE-2019-9495
  • USN-3944-1

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