Detections
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Amazon Linux 2023 : tomcat10, tomcat10-admin-webapps, tomcat10-el-5.0-api (ALAS2023-2025-1093)

high Nessus Plugin ID 243501

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Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1093 advisory.

 Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams.

 This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106.

 Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.
 (CVE-2025-53506)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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

Solution

Run 'dnf update tomcat10 --releasever 2023.8.20250721' to update your system.

See Also

https://alas.aws.amazon.com//AL2023/ALAS2023-2025-1093.html

https://alas.aws.amazon.com/faqs.html

https://explore.alas.aws.amazon.com/CVE-2025-53506.html

Plugin Details

Severity: High

ID: 243501

File Name: al2023_ALAS2023-2025-1093.nasl

Version: 1.1

Type: local

Agent: unix

Published: 8/4/2025

Updated: 8/4/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2025-53506

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

CVSS v4

Risk Factor: High

Base Score: 8.9

Threat Score: 6.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:tomcat10-webapps, p-cpe:/a:amazon:linux:tomcat10-admin-webapps, p-cpe:/a:amazon:linux:tomcat10-lib, p-cpe:/a:amazon:linux:tomcat10-docs-webapp, p-cpe:/a:amazon:linux:tomcat10-jsp-3.1-api, p-cpe:/a:amazon:linux:tomcat10, p-cpe:/a:amazon:linux:tomcat10-servlet-6.0-api, p-cpe:/a:amazon:linux:tomcat10-el-5.0-api

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/4/2025

Vulnerability Publication Date: 7/4/2025

Reference Information

CVE: CVE-2025-53506

IAVA: 2025-A-0478