CVE-2018-14526

Publication date 8 August 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
wpa	18.04 LTS bionic	Fixed 2:2.6-15ubuntu2.1
	16.04 LTS xenial	Fixed 2.4-0ubuntu6.3
	14.04 LTS trusty	Fixed 2.1-0ubuntu1.6

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Base metrics

Parameter	Value
Attack vector	Adjacent
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	None
Availability impact	None

Scores

Parameter	Value
Base score	6.5 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-3745-1
wpa_supplicant and hostapd vulnerability
20 August 2018