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.
