RHEL 7 : wpa_supplicant (RHSA-2018:3107)

medium Nessus Plugin ID 118529

Synopsis

The remote Red Hat host is missing a security update for wpa_supplicant.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2018:3107 advisory.

The wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver.

Security Fix(es):

* wpa_supplicant: Unauthenticated EAPOL-Key decryption in wpa_supplicant (CVE-2018-14526)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL wpa_supplicant package based on the guidance in RHSA-2018:3107.

See Also

http://www.nessus.org/u?2b0cc1e7

http://www.nessus.org/u?7a80aa2b

https://access.redhat.com/errata/RHSA-2018:3107

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1434434

https://bugzilla.redhat.com/show_bug.cgi?id=1490885

https://bugzilla.redhat.com/show_bug.cgi?id=1614520

Plugin Details

Severity: Medium

ID: 118529

File Name: redhat-RHSA-2018-3107.nasl

Version: 1.7

Type: local

Agent: unix

Published: 10/31/2018

Updated: 11/5/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2018-14526

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:wpa_supplicant, cpe:/o:redhat:enterprise_linux:7

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 10/30/2018

Vulnerability Publication Date: 8/8/2018

Reference Information

CVE: CVE-2018-14526

CWE: 200

RHSA: 2018:3107