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CVE-2025-48988: Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat

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Overview

The Apache Tomcat servers from versions 11.0.0-M1 through 11.0.7, 10.1.0-M1 through 10.1.41, and 9.0.0.M1 through 9.0.105 have been identified with a severe vulnerability. This vulnerability, classified under CVE-2025-48988, enables attackers to potentially compromise the system or lead to data leakage. It is therefore crucial for system administrators and security professionals to understand this threat and take prompt action to mitigate it.

Vulnerability Summary

CVE ID: CVE-2025-48988
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

Apache Tomcat | 11.0.0-M1 through 11.0.7
Apache Tomcat | 10.1.0-M1 through 10.1.41
Apache Tomcat | 9.0.0.M1 through 9.0.105

How the Exploit Works

The vulnerability occurs due to an error in the allocation of resources without limits or throttling within Apache Tomcat. This could allow an attacker to send specially crafted requests to consume all available resources, leading to a denial-of-service (DoS) condition or even potential system compromise.

Conceptual Example Code

A potential exploitation might look like this:

POST /resourceIntensiveEndpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "resourceDemandingPayload": "Repeatedly demanding high resource task" }

In the above pseudocode, `resourceIntensiveEndpoint` represents a vulnerable endpoint that doesn’t have proper resource allocation limits. The `resourceDemandingPayload` is designed to consume large amounts of system resources, leading to potential system compromise.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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