CVE-2018-14526

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-08-08 · updated 2026-06-17
Weakness: CWE-924

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.

Affected products

Canonical Ubuntu Linux: 14.04, 16.04, 18.04
Debian Linux: 8.0
Canonical Ltd. wpa_supplicant: from 2.0 through 2.6

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html
http://www.securitytracker.com/id/1041438
https://access.redhat.com/errata/RHSA-2018:3107
https://cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf
https://lists.debian.org/debian-lts-announce/2018/08/msg00009.html
https://papers.mathyvanhoef.com/woot2018.pdf
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:11.hostapd.asc
https://usn.ubuntu.com/3745-1/
https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txt
https://www.us-cert.gov/ics/advisories/icsa-19-344-01
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html
http://www.securitytracker.com/id/1041438

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