Upstream information

CVE-2019-9496 at MITRE

Description

An invalid authentication sequence could result in the hostapd process terminating due to missing state validation steps when processing the SAE confirm message when in hostapd/AP mode. All version of hostapd with SAE support are vulnerable. An attacker may force the hostapd process to terminate, performing a denial of service attack. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 5.3
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network Adjacent Network
Access Complexity Low High
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3 3
SUSE Bugzilla entry: 1131869 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub for SUSE Linux Enterprise 15 SP1
  • hostapd >= 2.9-bp151.5.3.1
  • hostapd-debuginfo >= 2.9-bp150.15.1
  • hostapd-debugsource >= 2.9-bp150.15.1
Patchnames:
openSUSE-2020-222
SUSE Package Hub for SUSE Linux Enterprise 15
  • hostapd >= 2.9-bp150.15.1
  • hostapd-debuginfo >= 2.9-bp150.15.1
  • hostapd-debugsource >= 2.9-bp150.15.1
Patchnames:
openSUSE-2020-222
openSUSE Leap 15.1
  • hostapd >= 2.9-lp151.4.3.1
  • hostapd-debuginfo >= 2.9-lp151.4.3.1
  • hostapd-debugsource >= 2.9-lp151.4.3.1
Patchnames:
openSUSE-2020-222


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SLES for SAP Applications wpa_supplicant Not affected
SUSE Linux Enterprise Desktop 12 SP3 wpa_supplicant Not affected
SUSE Linux Enterprise Desktop 12 SP4 wpa_supplicant Not affected
SUSE Linux Enterprise High Performance Computing 12 SP4 wpa_supplicant Not affected
SUSE Linux Enterprise Module for Basesystem 15 wpa_supplicant Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS wpa_supplicant Not affected
SUSE Linux Enterprise Server 11 SP4 wpa_supplicant Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS wpa_supplicant Not affected
SUSE Linux Enterprise Server 12 LTSS wpa_supplicant Not affected
SUSE Linux Enterprise Server 12 SP1 LTSS wpa_supplicant Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS wpa_supplicant Not affected
SUSE Linux Enterprise Server 12 SP3 wpa_supplicant Not affected
SUSE Linux Enterprise Server 12 SP4 wpa_supplicant Not affected
SUSE Linux Enterprise Server for SAP Applications 12 wpa_supplicant Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 wpa_supplicant Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 wpa_supplicant Not affected