Detections
Analytics
Amazon Linux 2 : tomcat (ALASTOMCAT9-2025-016)
critical Nessus Plugin ID 233706
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Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of tomcat installed on the remote host is prior to 9.0.102-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2TOMCAT9-2025-016 advisory.Path Equivalence: 'file.Name' (Internal Dot) leading to Remote Code Execution and/or Information disclosure and/or malicious content added to uploaded files via write enabled Default Servlet in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.2, from 10.1.0-M1 through 10.1.34, from 9.0.0.M1 through 9.0.98.
If all of the following were true, a malicious user was able to view security sensitive files and/or inject content into those files:- writes enabled for the default servlet (disabled by default)- support for partial PUT (enabled by default)- a target URL for security sensitive uploads that was a sub-directory of a target URL for public uploads- attacker knowledge of the names of security sensitive files being uploaded- the security sensitive files also being uploaded via partial PUT
If all of the following were true, a malicious user was able to perform remote code execution:- writes enabled for the default servlet (disabled by default)- support for partial PUT (enabled by default)- application was using Tomcat's file based session persistence with the default storage location- application included a library that may be leveraged in a deserialization attack
Users are recommended to upgrade to version 11.0.3, 10.1.35 or 9.0.98, which fixes the issue.
More justification and the patch links are available for all versions here:[1] https://tomcat.apache.org/security-11.html[2] https://tomcat.apache.org/security-10.html[3] https://tomcat.apache.org/security-9.html (CVE-2025-24813)
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 'yum update tomcat' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALASTOMCAT9-2025-016.html
Plugin Details
Severity: Critical
ID: 233706
File Name: al2_ALASTOMCAT9-2025-016.nasl
Version: 1.1
Type: local
Agent: unix
Published: 4/1/2025
Updated: 4/1/2025
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.4
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 8.3
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2025-24813
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:tomcat-jsp-2.3-api, p-cpe:/a:amazon:linux:tomcat-lib, p-cpe:/a:amazon:linux:tomcat-servlet-4.0-api, p-cpe:/a:amazon:linux:tomcat-webapps, p-cpe:/a:amazon:linux:tomcat-el-3.0-api, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:tomcat-jsvc, p-cpe:/a:amazon:linux:tomcat-admin-webapps, p-cpe:/a:amazon:linux:tomcat-docs-webapp, p-cpe:/a:amazon:linux:tomcat
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Available: true
Exploit Ease: No known exploits are available
Patch Publication Date: 3/26/2025
Vulnerability Publication Date: 2/10/2025
CISA Known Exploited Vulnerability Due Dates: 4/22/2025
Reference Information
CVE: CVE-2025-24813
IAVA: 2025-A-0156