CVE-2018-14526 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5