Vulnerability in W1.fi Wpa Supplicant
CVE-2018-14526
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (72.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- W1.fi Wpa Supplicant
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- papers.mathyvanhoef.com/woot2018.pdf (Technical Description, Third Party Advisory)
- www.securitytracker.com/id/1041438 (VDB Entry, Third Party Advisory, vdb-entry)
- w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txt (Patch, Mitigation, Vendor Advisory)
- security.FreeBSD.org/advisories/FreeBSD-SA-18:11.hostapd.asc (vendor-advisory, Patch, Third Party Advisory, Mitigation)
- access.redhat.com/errata/RHSA-2018:3107 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2018/08/msg00009.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/3745-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html (vendor-advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf
- www.us-cert.gov/ics/advisories/icsa-19-344-01
Frequently asked questions
- What is CVE-2018-14526?
- CVE-2018-14526 is a medium-severity vulnerability in W1.fi Wpa Supplicant, classified under Improper Enforcement of Message Integrity During Transmission in a Communication Channel. CVSS score: 6.5/10. Published 2018-08-08.
- How severe is CVE-2018-14526?
- Medium severity. CVSS v3 base score is 6.5 out of 10.