CVE-2018-14526 - Improper Enforcement of Message Integrity During Transmission in a Communication Channel

Severity

32%

Complexity

65%

Confidentiality

48%

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.

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 3.0 Base Score 6.5. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 3.3. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: low. CVSS Vector: (AV:A/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 6 years ago

2018-08-08 19:29:00

Last updated 5 years ago

2019-10-03 00:03:00

Affected Software

Canonical Ubuntu Linux 14.04 LTS (Long-Term Support)

14.04

Canonical Ubuntu Linux 16.04 LTS (Long-Term Support)

16.04

Canonical Ubuntu Linux 18.04 LTS Edition

18.04

Debian Linux 8.0 (Jessie)

8.0

References

openSUSE-SU-2019:1345

1041438

Third Party Advisory, VDB Entry

RHSA-2018:3107

https://cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf

[debian-lts-announce] 20180809 [SECURITY] [DLA 1462-1] wpa security update

Mailing List, Third Party Advisory

https://papers.mathyvanhoef.com/woot2018.pdf

Technical Description, Third Party Advisory

FreeBSD-SA-18:11

Mitigation, Patch, Third Party Advisory

USN-3745-1

Third Party Advisory

https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txt

Mitigation, Patch, Vendor Advisory

https://www.us-cert.gov/ics/advisories/icsa-19-344-01

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