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CVE-2025-23326: NVIDIA Triton Inference Server Integer Overflow Vulnerability

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Overview

This report focuses on an identified vulnerability, CVE-2025-23326, that affects NVIDIA Triton Inference Server for both Windows and Linux. The vulnerability could potentially lead to a denial of service or even data leakage if successfully exploited. Given the widespread use of NVIDIA Triton Inference Server, understanding and mitigating this vulnerability is crucial for maintaining system integrity.

Vulnerability Summary

CVE ID: CVE-2025-23326
Severity: High (7.5)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Denial of service, potential system compromise or data leakage.

Affected Products

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Product | Affected Versions

NVIDIA Triton Inference Server for Windows | All versions prior to the latest patch
NVIDIA Triton Inference Server for Linux | All versions prior to the latest patch

How the Exploit Works

An attacker can exploit this vulnerability by sending a specially crafted input to the NVIDIA Triton Inference Server, causing an integer overflow. This could result in the server crashing and leading to a denial of service. In some cases, it may also allow the attacker to execute arbitrary code, potentially compromising the system or leading to data leakage.

Conceptual Example Code

Here is a conceptual example of how the vulnerability might be exploited. This is a simplified representation and actual exploit may vary.

POST /api/v1/predict HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"model_name": "test",
"model_version": "1",
"data": "A"*4294967296
}

In this example, the “data” field is filled with a string that might cause an integer overflow due to its size (4294967296 is 2^32), potentially crashing the server or leading to further exploitation.

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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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