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CVE-2025-23263: NVIDIA DOCA-Host and Mellanox OFED VGT+ Feature Vulnerability

Overview

The vulnerability, CVE-2025-23263, is a significant security flaw identified within NVIDIA DOCA-Host and Mellanox OFED. It arises from the VGT+ feature, which is susceptible to malicious exploitation that might lead to privilege escalation and denial of service on the VLAN. This vulnerability holds grave importance due to its potential to compromise systems and leak data.

Vulnerability Summary

CVE ID: CVE-2025-23263
Severity: High (CVSS Score 7.6)
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise and data leakage

Affected Products

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Product | Affected Versions

NVIDIA DOCA-Host | All versions prior to patch
Mellanox OFED | All versions prior to patch

How the Exploit Works

An attacker exploiting this vulnerability would target the VGT+ feature in NVIDIA DOCA-Host and Mellanox OFED. They would need to have access to a VM on the network and then send carefully crafted packets to trigger the vulnerability. This could potentially result in an escalation of privileges, allowing the attacker greater control over the system, or a denial of service, disrupting the functionality of the VLAN.

Conceptual Example Code

Given the nature of the vulnerability, a conceptual exploitation might involve sending a malicious payload to the VGT+ feature. It could look something like this:

import socket
def exploit(target_ip):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((target_ip, 12345))  # Assuming VGT+ listens on port 12345
payload = "malicious_payload_that_triggers_vulnerability"
sock.send(payload)
sock.close()
# Replace 'target_ip' with the IP of the target system
exploit('target_ip')

This is a simplified example and actual exploitation would depend on the specifics of the vulnerability and the target system.

Mitigation Guidance

It is strongly recommended that system administrators apply the vendor-supplied patch to resolve this vulnerability. In the absence of an immediate patch application, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary measure to mitigate the risk. These can help by monitoring the network for suspicious activities and blocking potential attacks. However, these are short-term solutions and the vendor patch should be applied as soon as possible.

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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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