RHEL 6 / 7 : log4j (RHSA-2021:5206)

high Nessus Plugin ID 156201

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:5206 advisory.

- log4j: Remote code execution in Log4j 1.x when application is configured to use JMSAppender (CVE-2021-4104)

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 affected log4j, log4j-javadoc and / or log4j-manual packages.

See Also

https://access.redhat.com/security/cve/CVE-2021-4104

https://access.redhat.com/errata/RHSA-2021:5206

https://bugzilla.redhat.com/2031667

Plugin Details

Severity: High

ID: 156201

File Name: redhat-RHSA-2021-5206.nasl

Version: 1.7

Type: local

Agent: unix

Published: 12/20/2021

Updated: 11/22/2023

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: Medium

Base Score: 6

Temporal Score: 5

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

CVSS Score Source: CVE-2021-4104

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:rhel_aus:7.3, cpe:/o:redhat:rhel_aus:7.4, cpe:/o:redhat:rhel_aus:7.6, cpe:/o:redhat:rhel_aus:7.7, cpe:/o:redhat:rhel_e4s:7.6, cpe:/o:redhat:rhel_e4s:7.7, cpe:/o:redhat:rhel_els:6, cpe:/o:redhat:rhel_tus:7.6, cpe:/o:redhat:rhel_tus:7.7, p-cpe:/a:redhat:enterprise_linux:log4j, p-cpe:/a:redhat:enterprise_linux:log4j-javadoc, p-cpe:/a:redhat:enterprise_linux:log4j-manual

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: 12/20/2021

Vulnerability Publication Date: 12/14/2021

Reference Information

CVE: CVE-2021-4104

CWE: 20

IAVA: 2021-A-0573

RHSA: 2021:5206