Amazon Linux 2 : wpa_supplicant (ALAS-2018-1122)

medium Nessus Plugin ID 119505

Synopsis

The remote Amazon Linux 2 host is missing a security update.

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.(CVE-2018-14526)

Solution

Run 'yum update wpa_supplicant' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2018-1122.html

Plugin Details

Severity: Medium

ID: 119505

File Name: al2_ALAS-2018-1122.nasl

Version: 1.2

Type: local

Agent: unix

Published: 12/10/2018

Updated: 5/13/2020

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

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

Temporal Vector: E:U/RL:OF/RC:C

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:wpa_supplicant, p-cpe:/a:amazon:linux:wpa_supplicant-debuginfo, cpe:/o:amazon:linux:2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/8/2018

Vulnerability Publication Date: 8/8/2018

Reference Information

CVE: CVE-2018-14526

ALAS: 2018-1122