Detections
Analytics

CentOS 8 : libX11 (CESA-2024:2973)

high Nessus Plugin ID 197654

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2024:2973 advisory.

 - A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function.
 This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system. (CVE-2023-43785)

 - A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.
 (CVE-2023-43786)

 - A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges. (CVE-2023-43787)

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 affected packages.

See Also

https://access.redhat.com/errata/RHSA-2024:2973

Plugin Details

Severity: High

ID: 197654

File Name: centos8_RHSA-2024-2973.nasl

Version: 1.0

Type: local

Agent: unix

Published: 5/22/2024

Updated: 5/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-43787

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:centos:centos:8-stream, p-cpe:/a:centos:centos:libx11-common, p-cpe:/a:centos:centos:libx11-xcb, p-cpe:/a:centos:centos:libx11-devel, p-cpe:/a:centos:centos:libx11

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/22/2024

Vulnerability Publication Date: 10/4/2023

Reference Information

CVE: CVE-2023-43785, CVE-2023-43786, CVE-2023-43787

RHSA: 2024:2973