Apache Tomcat 10.1.0.M1 < 10.1.0.M6 vulnerability

high Nessus Plugin ID 154149

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Synopsis

The remote Apache Tomcat server is affected by a vulnerability

Description

The version of Tomcat installed on the remote host is prior to 10.1.0.M6. It is, therefore, affected by a vulnerability as referenced in the fixed_in_apache_tomcat_10.1.0-m6_security-10 advisory.

- The fix for bug 63362 present in Apache Tomcat 10.1.0-M1 to 10.1.0-M5, 10.0.0-M1 to 10.0.11, 9.0.40 to 9.0.53 and 8.5.60 to 8.5.71 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the connection was closed. This created a memory leak that, over time, could lead to a denial of service via an OutOfMemoryError.
(CVE-2021-42340)

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

Solution

Upgrade to Apache Tomcat version 10.1.0.M6 or later.

Plugin Details

Severity: High

ID: 154149

File Name: tomcat_10_1_0_M6.nasl

Version: 1.6

Type: combined

Agent: windows, macosx, unix

Family: Web Servers

Published: 10/14/2021

Updated: 10/11/2022

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2021-42340

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/a:apache:tomcat

Required KB Items: installed_sw/Apache Tomcat

Exploit Ease: No known exploits are available

Patch Publication Date: 10/1/2021

Vulnerability Publication Date: 10/1/2021

Reference Information

CVE: CVE-2021-42340

IAVA: 2021-A-0479-S