RHEL 8 : freerdp (RHSA-2021:4621)

high Nessus Plugin ID 155336

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Synopsis

The remote Red Hat host is missing one or more security updates for freerdp.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4621 advisory.

- freerdp: improper client input validation for gateway connections allows to overwrite memory (CVE-2021-41159)

- freerdp: improper region checks in all clients allow out of bound write to memory (CVE-2021-41160)

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

Solution

Update the RHEL freerdp package based on the guidance in RHSA-2021:4621.

Plugin Details

Severity: High

ID: 155336

File Name: redhat-RHSA-2021-4621.nasl

Version: 1.7

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/13/2021

Updated: 4/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2021-41160

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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:rhel_eus:8.2, p-cpe:/a:redhat:enterprise_linux:freerdp, p-cpe:/a:redhat:enterprise_linux:freerdp-devel, p-cpe:/a:redhat:enterprise_linux:freerdp-libs, p-cpe:/a:redhat:enterprise_linux:libwinpr, p-cpe:/a:redhat:enterprise_linux:libwinpr-devel

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: 11/11/2021

Vulnerability Publication Date: 10/21/2021

Reference Information

CVE: CVE-2021-41159, CVE-2021-41160

CWE: 787

RHSA: 2021:4621

Detections

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