CVE-2018-14526

Publication date 8 August 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

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

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

Parameter Value
Base score 6.5 · Medium
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
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

Other references