CVE-2018-14526
Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 08 Aug 2018, 19:00
Last modified:05 Aug 2024, 09:29
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
6.5 MEDIUM
v3.0 (nvd)
EPSS Score
1.21% LOW
1% probability +0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
08 Aug 2018, 19:00
Published
Vulnerability first disclosed
05 Aug 2024, 09:29
Last Modified
Vulnerability 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
- v3.0•MEDIUM•Score: 6.5CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 3.3AV:A/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 1.21%• Percentile: 79%
Techniques & Countermeasures
- CWE-924•Improper Enforcement of Message Integrity During Transmission in a Communication Channel
The product establishes a communication channel with an endpoint and receives a message from that endpoint, but it does not sufficiently ensure that the message was not modified during transmission.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 18.04
- debian•debian_linux
8.0
- w1.fi•wpa_supplicant
≥ 2.0, ≤ 2.6
References (10)
- https://papers.mathyvanhoef.com/woot2018.pdf
- http://www.securitytracker.com/id/1041438
- https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txt
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:11.hostapd.asc
- https://access.redhat.com/errata/RHSA-2018:3107
- https://lists.debian.org/debian-lts-announce/2018/08/msg00009.html
- https://usn.ubuntu.com/3745-1/
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf
- https://www.us-cert.gov/ics/advisories/icsa-19-344-01