Information Exposure Affecting wpa_supplicant package, versions <2.9-4.20.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
1.6% (88th percentile)

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  • Snyk IDSNYK-SLES152-WPASUPPLICANT-2697934
  • published14 Apr 2022
  • disclosed19 Nov 2020

Introduced: 19 Nov 2020

CVE-2019-9494  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 wpa_supplicant to version 2.9-4.20.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wpa_supplicant package and not the wpa_supplicant package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side channel attacks as a result of observable timing differences and cache access patterns. An attacker may be able to gain leaked information from a side channel attack that can be used for full password recovery. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.

CVSS Scores

version 3.1