Apache Log4j < 2.13.2 Improper Certificate Verification

low Nessus Plugin ID 136424

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Synopsis

A package installed on the remote host is affected by an improper certificate verification vulnerability.

Description

The version of Apache Log4j on the remote host is < 2.13.2. It is, therefore, affected by an improper certificate validation vulnerability in the log4j SMTP appender. An attacker could leverage this vulnerability to perform a man-in-the-middle attack.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Apache Log4j version 2.13.2 or later.

Plugin Details

Severity: Low

ID: 136424

File Name: apache_log4j_2_13_2.nasl

Version: 1.4

Type: local

Agent: unix

Family: Misc.

Published: 5/8/2020

Updated: 12/5/2022

Configuration: Enable paranoid mode

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2020-9488

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.2

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:log4j, p-cpe:/a:fedoraproject:fedora:log4j, p-cpe:/a:fermilab:scientific_linux:log4j, p-cpe:/a:novell:opensuse:log4j, p-cpe:/a:redhat:enterprise_linux:log4j

Required KB Items: Host/local_checks_enabled, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 4/21/2020

Vulnerability Publication Date: 4/13/2020

Reference Information

CVE: CVE-2020-9488

IAVA: 2020-A-0196-S

Detections

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