RHEL 8 : libX11 (RHSA-2021:4326)

critical Nessus Plugin ID 155212

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Synopsis

The remote Red Hat host is missing a security update for libX11.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4326 advisory.

- libX11: missing request length checks (CVE-2021-31535)

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 libX11 package based on the guidance in RHSA-2021:4326.

Plugin Details

Severity: Critical

ID: 155212

File Name: redhat-RHSA-2021-4326.nasl

Version: 1.8

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/11/2021

Updated: 4/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-31535

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:libx11, p-cpe:/a:redhat:enterprise_linux:libx11-common, p-cpe:/a:redhat:enterprise_linux:libx11-devel, p-cpe:/a:redhat:enterprise_linux:libx11-xcb

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 5/27/2021

Reference Information

CVE: CVE-2021-31535

CWE: 77

RHSA: 2021:4326

Detections

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