RHEL 8 : expat (RHSA-2024:2575)

high Nessus Plugin ID 194833

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:2575 advisory.

- libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed. (CVE-2023-52425)

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 expat package based on the guidance in RHSA-2024:2575.

See Also

https://access.redhat.com/errata/RHSA-2024:2575

https://access.redhat.com/security/cve/CVE-2023-52425

Plugin Details

Severity: High

ID: 194833

File Name: redhat-RHSA-2024-2575.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/30/2024

Updated: 5/2/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-52425

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_aus:8.8, cpe:/o:redhat:rhel_e4s:8.8, cpe:/o:redhat:rhel_eus:8.8, cpe:/o:redhat:rhel_tus:8.8, p-cpe:/a:redhat:enterprise_linux:expat, p-cpe:/a:redhat:enterprise_linux:expat-devel

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: 4/30/2024

Vulnerability Publication Date: 2/4/2024

Reference Information

CVE: CVE-2023-52425

CWE: 400

RHSA: 2024:2575