Overview
The CVE-2025-23265 vulnerability is a severe security flaw found in the NVIDIA Megatron-LM for all platforms. This flaw resides in a python component and allows potential attackers to cause a code injection issue by providing a malicious file. This gives the attacker the ability to execute code, escalate privileges, disclose information, and tamper with data. Given the extensive range of potential outcomes, this vulnerability is of high significance and should be addressed promptly to prevent system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2025-23265
Severity: High (7.8 CVSS Score)
Attack Vector: Local File Inclusion
Privileges Required: Low
User Interaction: Required
Impact: Code Execution, Privilege Escalation, Information Disclosure, Data Tampering
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Product | Affected Versions
NVIDIA Megatron-LM | All Versions
How the Exploit Works
The exploit works by taking advantage of a flaw in a Python component of NVIDIA Megatron-LM. By providing a specially crafted malicious file to the system, an attacker can inject code into the Python component. This code can then be executed, leading to potential system compromise. Depending on the nature of the injected code, the attacker could gain escalated privileges, access sensitive information, or tamper with data on the system.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited using a malicious payload in a Python script:
# Malicious payload
payload = """
import subprocess
subprocess.call(['rm', '-rf', '/']) # This is a destructive command - example only!
"""
# Save the payload to a file
with open('malicious_file.py', 'w') as file:
file.write(payload)
# Use the malicious file in the vulnerable application
# Assuming the vulnerable application is `vulnerable_app.py`
subprocess.call(['python', 'vulnerable_app.py', 'malicious_file.py'])Please note, this is a conceptual example and the malicious payload used in this example is extremely destructive. It’s listed here for illustrative purposes only and should not be used.
Mitigation Guidance
To mitigate this vulnerability, it is advised to apply the vendor patch as soon as it becomes available. Until then, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) could serve as a temporary mitigation measure. These systems can help detect and prevent potential attacks exploiting this vulnerability.