National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-14526 Detail

Current 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.

Source:  MITRE
Description Last Modified:  08/08/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 3.3 LOW
Vector: (AV:A/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 6.5

Access Vector (AV): Local_Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securitytracker.com/id/1041438 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3107
https://lists.debian.org/debian-lts-announce/2018/08/msg00009.html Mailing List Third Party Advisory
https://papers.mathyvanhoef.com/woot2018.pdf Technical Description Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:11.hostapd.asc Mitigation Patch Third Party Advisory
https://usn.ubuntu.com/3745-1/ Third Party Advisory
https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txt Mitigation Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-14526
NVD Published Date:
08/08/2018
NVD Last Modified:
10/31/2018