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Improper Enforcement of Message Integrity During Transmission in a Communication Channel Affecting wpa_supplicant package, versions <2.9-4.20.1

Severity

 Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-SLES152-WPASUPPLICANT-2697719
  • published14 Apr 2022
  • disclosed19 Nov 2020
Report a new vulnerability Found a mistake?

Introduced: 19 Nov 2020

CVE-2018-14526  (opens in a new tab)
CWE-924  (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.

An issue was discovered in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6. Under certain conditions, the integrity of EAPOL-Key messages is not checked, leading to a decryption oracle. An attacker within range of the Access Point and client can abuse the vulnerability to recover sensitive information.