CVE-2018-14526: canonical ubuntu_linux
Vulnerability summary
CVE-2018-14526 is a medium (CVSS 6.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.8% of scored vulnerabilities.
Not severe (CVSS 6.5, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 08-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · Red hatEcosystem advisory · calculated8.3HighCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.48%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse14 products
- wpa_supplicant&distro=SUSE Enterprise Storage 4< 2.6-15.10.1
- wpa_supplicant&distro=SUSE Linux Enterprise Desktop 12 SP3< 2.6-15.10.1
- wpa_supplicant&distro=SUSE Linux Enterprise Desktop 12 SP4< 2.6-15.10.1
- wpa_supplicant&distro=SUSE Linux Enterprise Module for Basesystem 15< 2.6-4.11.1
- wpa_supplicant&distro=SUSE Linux Enterprise Server 12 SP1-LTSS< 2.6-15.10.1
Debian2 products
- wpa< 2.3-1+deb8u6 | < 2:2.6-18
- debian_linuxEOL8.0
Redhat2 products
- wpa_supplicant< 1:2.6-12.el7
- wpa_supplicant-debuginfo< 1:2.6-12.el7
Alpine1 product
- wpa_supplicant≥ 2.0, < 2.6-r14 | ≥ 2.0, < 2.6-r3 | ≥ 2.0, < 2.6-r5 | ≥ 2.0, < 2.6-r9
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Mageia1 product
- wpa_supplicant< 2.6-1.2.mga6
Ubuntu1 product
- wpa< 2.1-0ubuntu1.6 | < 2.4-0ubuntu6.3 | < 2:2.6-15ubuntu2.1
W1.fi1 product
- wpa_supplicant≥ 2.0, ≤ 2.6
8 vendors · 23 products
References
37 links- w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txtX Refsource MISCMitigationPatchVendor AdvisoryWEBREPORT
- security.freebsd.org/advisories/FreeBSD-SA-18:11.hostapd.ascVendor AdvisoryX Refsource FREEBSDMitigationPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/08/msg00009.htmlMailing ListX Refsource MLISTThird Party Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-344983.pdfX Refsource CONFIRM
- www.us-cert.gov/ics/advisories/icsa-19-344-01X Refsource MISC