Amazon Linux 2 : wpa_supplicant (ALAS-2021-1624)

high Nessus Plugin ID 148194

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Synopsis

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

Description

The version of wpa_supplicant installed on the remote host is prior to 2.6-12. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1624 advisory.

- A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range. (CVE-2021-27803)

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

Solution

Run 'yum update wpa_supplicant' to update your system.

Plugin Details

Severity: High

ID: 148194

File Name: al2_ALAS-2021-1624.nasl

Version: 1.2

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 3/27/2021

Updated: 3/27/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2021-27803

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/25/2021

Vulnerability Publication Date: 2/26/2021

Reference Information

CVE: CVE-2021-27803

ALAS: 2021-1624

Detections

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