Overview
The vulnerability identified as CVE-2025-23323 poses a significant risk to systems running NVIDIA Triton Inference Server for both Windows and Linux. This flaw allows an attacker to cause an integer overflow or wraparound, leading to a segmentation fault. The importance of addressing this vulnerability cannot be overstated, as a successful exploit could lead to a system-wide denial of service, potential compromise, and data leakage.
Vulnerability Summary
CVE ID: CVE-2025-23323
Severity: High (7.5 CVSS Score)
Attack Vector: Remote
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
NVIDIA Triton Inference Server for Windows | All versions prior to patch
NVIDIA Triton Inference Server for Linux | All versions prior to patch
How the Exploit Works
The exploit targets a flaw in NVIDIA Triton Inference Server’s handling of certain requests. When an attacker sends an invalid request purposefully crafted to cause an integer overflow or wraparound, the system experiences a segmentation fault. This fault could lead to a denial of service. In some instances, the attacker might leverage this vulnerability to gain unauthorized access to the system and potentially access sensitive data.
Conceptual Example Code
POST /triton-inference-server/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "request_size": "9223372036854775808" }In this example, the `”request_size”` value is purposefully set to a value higher than what a 64-bit signed integer can handle, causing an integer overflow. This leads to a segmentation fault, resulting in a potential system compromise or data leakage.
Mitigation
The most effective way to resolve this vulnerability is by applying the vendor-provided patch. In cases where immediate patching is not possible, using a Web Application Firewall (WAF) or Intrusion Detection Systems (IDS) may serve as a temporary mitigation measure. These systems should be configured to detect and block abnormal request sizes that could trigger the integer overflow.
