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RHEL 8 : nginx (Unpatched Vulnerability)

critical Nessus Plugin ID 202487

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Synopsis

The remote Red Hat 8 host is affected by multiple vulnerabilities that will not be patched.

Description

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

 - ALPACA: Application Layer Protocol Confusion - Analyzing and Mitigating Cracks in TLS Authentication (CVE-2021-3618)

 - nginx: Memory corruption in the ngx_http_mp4_module (CVE-2022-41741)

 - nginx: Memory disclosure in the ngx_http_mp4_module (CVE-2022-41742)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

Solution

The vendor has acknowledged the vulnerabilities but no solution has been provided. Refer to the vendor for remediation guidance.

Plugin Details

Severity: Critical

ID: 202487

File Name: redhat_unpatched_nginx-rhel8_module.nasl

Version: 1.3

Type: local

Agent: unix

Published: 7/16/2024

Updated: 9/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

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

CVSS Score Source: CVE-2021-3618

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2022-41741

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS Score Source: CVE-2022-41742

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:sendmail, p-cpe:/a:redhat:enterprise_linux:vsftpd, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:nginx

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/9/2020

Reference Information

CVE: CVE-2019-20372, CVE-2021-3618, CVE-2022-41741, CVE-2022-41742