Overview
In this article, we delve into a critical vulnerability identified in iHongRen pptp-vpn versions 1.0/1.0.1 on macOS. This vulnerability, tagged with the CVE identifier CVE-2025-11130, is notable for its potential to compromise systems or lead to data leakage. It exists within the XPC Service component, specifically the function shouldAcceptNewConnection in the file HelpTool/HelperTool.m. It is essential to be aware of this vulnerability as it can be exploited locally without any need for authentication, putting sensitive data and system integrity at risk.
Vulnerability Summary
CVE ID: CVE-2025-11130
Severity: High (8.4 CVSS Score)
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
iHongRen pptp-vpn | 1.0/1.0.1
How the Exploit Works
This vulnerability primarily revolves around missing authentication in the XPC Service component of iHongRen pptp-vpn. The weakness lies in the shouldAcceptNewConnection function in the file HelpTool/HelperTool.m. The lack of proper authentication checks allows an attacker with local access to manipulate the function, potentially leading to unauthorized access, system compromise, or data leakage.
Conceptual Example Code
Below is a simplified, conceptual example of how this vulnerability might be exploited. This is not actual exploit code but a representation to help understand the nature of the vulnerability:
# Assume the local attacker has access to the macOS terminal
# They might perform a manipulation like this:
$ curl -X POST \
http://localhost:port/shouldAcceptNewConnection \
-H 'Content-Type: application/json' \
-d '{
"newConnection": "True",
"user": "Attacker"
}'In this conceptual example, the attacker sends a POST request to the shouldAcceptNewConnection function, providing their user credentials. Due to the missing authentication, the system accepts the new connection, granting the attacker unauthorized access.
Mitigation
While the vendor has not provided a response or patch for this vulnerability, there are ways to mitigate the risk. One method is to use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor and block suspicious activities. However, these are temporary solutions, and it is recommended to consistently monitor for any patches or updates from the vendor. Regularly updating and patching software is a crucial part of maintaining a secure system.
