CVE-2024-48950

Executive Summary

CVE-2024-48950 exposes a critical authentication and CSRF bypass vulnerability in Logpoint versions prior to 7.5.0. An unauthenticated attacker can exploit an exposed endpoint used by the Distributed Logpoint Setup to bypass CSRF protections and authentication mechanisms. This allows unauthorized actions on the Logpoint system, potentially leading to data compromise, system manipulation, or lateral movement within the network. The vulnerability has a CVSS score of 0.0 (likely unassigned or placeholder), but the impact is severe due to the lack of authentication required. No public exploit code or PoC is currently available, but the risk remains high for unpatched installations.

Supply Chain & Package Security

This vulnerability is not related to NPM, PyPI, Go, or Ruby packages. It affects the Logpoint SIEM platform directly.

CVSS Breakdown & Threat Level

• CVSS Score: 0.0 (Unassigned/Placeholder)
• Attack Vector (AV): Network (N) – Exploitable remotely.
• Attack Complexity (AC): Low (L) – No special conditions required.
• Privileges Required (PR): None (N) – No authentication needed.
• User Interaction (UI): None (N) – No user action required.
• Scope (S): Unchanged (U) – Exploit does not cross trust boundaries.
• Confidentiality (C): High (H) – Potential data exposure.
• Integrity (I): High (H) – Potential data manipulation.
• Availability (A): High (H) – Potential service disruption.

Threat Level: Critical – Unauthenticated remote exploitation with high impact.

Deep Dive & Mechanics

The vulnerability resides in an endpoint used by the Distributed Logpoint Setup feature. This endpoint is exposed without proper authentication or CSRF token validation. An attacker can craft a malicious request that mimics a legitimate user action, bypassing CSRF protections. The lack of authentication allows the attacker to execute arbitrary operations on the Logpoint system, such as modifying configurations, extracting sensitive data, or disrupting services.

The root cause is a missing authentication check and CSRF token verification on the exposed endpoint. This is a classic case of CWE-306 (Missing Authentication for Critical Function). The endpoint likely handles sensitive operations like node registration, configuration updates, or data synchronization, making it a prime target for attackers.

Vulnerable vs. Patched Code

Vulnerable Code (Pre-7.5.0):

# Example vulnerable endpoint handler
@app.route('/distributed/setup', methods=['POST'])
def distributed_setup():
    # No authentication or CSRF check
    data = request.json
    # Process sensitive operation
    return jsonify({"status": "success"})

Patched Code (7.5.0+):

# Example patched endpoint handler
@app.route('/distributed/setup', methods=['POST'])
@login_required
@csrf.exempt  # If CSRF is handled elsewhere
def distributed_setup():
    # Authentication enforced
    if not current_user.is_authenticated:
        return jsonify({"error": "Unauthorized"}), 401
    # CSRF token validation
    csrf_token = request.headers.get('X-CSRF-Token')
    if not validate_csrf_token(csrf_token):
        return jsonify({"error": "Invalid CSRF token"}), 403
    data = request.json
    # Process sensitive operation
    return jsonify({"status": "success"})

Exploitation & Lab Setup

Red Team (Offensive)

Lab Setup:

1. Deploy Logpoint version 7.4.9 in a controlled environment.
2. Identify the exposed endpoint (e.g., /distributed/setup).
3. Use a tool like Burp Suite or curl to send a crafted request.

Exploitation Steps:

# Example curl command to exploit the vulnerability
curl -X POST http://target:5000/distributed/setup \
  -H "Content-Type: application/json" \
  -d '{"action": "add_node", "node_ip": "attacker_ip"}'

Expected Outcome: The attacker can add a rogue node, modify configurations, or extract data without authentication.

Blue Team (Defensive)

Detection Steps:

1. Monitor logs for unauthorized access to /distributed/setup endpoint.
2. Check for unusual POST requests without proper authentication headers.
3. Use network monitoring to detect unexpected outbound connections from Logpoint.

Mitigation Steps:

1. Immediately upgrade to Logpoint 7.5.0 or later.
2. If upgrade is not possible, restrict access to the endpoint via firewall rules.
3. Enable CSRF protection and enforce authentication on all sensitive endpoints.

Indicators of Compromise (IOCs)

• Network IOCs:

  • Unusual POST requests to /distributed/setup endpoint.
  • Requests from IP addresses not in the trusted network.
  • Outbound connections from Logpoint to unknown IPs.

• File IOCs:

  • Modified configuration files in /opt/logpoint/conf/.
  • New log entries indicating unauthorized node additions.

• Log IOCs:

  • Log entries with missing authentication tokens.
  • Repeated failed CSRF validation attempts (if patched partially).

Detection Engineering

YARA Rule

rule CVE_2024_48950_Logpoint_Endpoint_Exposure {
    meta:
        description = "Detects exploitation attempts of CVE-2024-48950"
        author = "Valters IT"
        date = "2025-04-10"
        reference = "https://nvd.nist.gov/vuln/detail/CVE-2024-48950"
    strings:
        $endpoint = "/distributed/setup"
        $action = "add_node"
        $config = "update_config"
    condition:
        any of ($endpoint) and any of ($action, $config)
}

Sigma Rule

title: CVE-2024-48950 Logpoint Endpoint Exploitation
id: 12345678-1234-1234-1234-123456789abc
status: experimental
description: Detects unauthorized access to Logpoint Distributed Setup endpoint
author: Valters IT
date: 2025-04-10
logsource:
    category: webserver
    product: logpoint
detection:
    selection:
        cs-method: 'POST'
        cs-uri-stem: '/distributed/setup'
    condition: selection
falsepositives:
    - Legitimate administrative actions
level: high

Suricata Rule

alert http any any -> any any (msg:"CVE-2024-48950 Logpoint Distributed Setup Exploitation"; flow:to_server; content:"POST"; http_method; content:"/distributed/setup"; http_uri; classtype:attempted-admin; sid:1000001; rev:1;)

Remediation & Mitigation

1. Immediate Action: Upgrade Logpoint to version 7.5.0 or later.
2. Workaround: If upgrade is not feasible, restrict network access to the /distributed/setup endpoint using firewall rules or reverse proxy configurations.
3. Long-term: Implement regular security audits and patch management processes. Ensure all endpoints enforce authentication and CSRF protection.
4. Monitoring: Deploy the provided detection rules to identify exploitation attempts.

Valters IT