RHEL 7 : wpa_supplicant (RHSA-2021:0808)

high Nessus Plugin ID 147643

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:0808 advisory.

- wpa_supplicant: Use-after-free in P2P provision discovery processing (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

Update the affected wpa_supplicant package.

See Also

https://access.redhat.com/security/cve/CVE-2021-27803

https://access.redhat.com/errata/RHSA-2021:0808

https://bugzilla.redhat.com/1933361

Plugin Details

Severity: High

ID: 147643

File Name: redhat-RHSA-2021-0808.nasl

Version: 1.11

Type: local

Agent: unix

Published: 3/10/2021

Updated: 5/24/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:wpa_supplicant

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: 3/10/2021

Vulnerability Publication Date: 2/26/2021

Reference Information

CVE: CVE-2021-27803

CWE: 416

RHSA: 2021:0808