CVE-2019-25357

8.4 HIGH

📋 TL;DR

Control Center PRO 6.2.9 contains a stack-based buffer overflow vulnerability in the user creation module's username field. Attackers can exploit this by sending a malicious payload exceeding 664 bytes to overwrite the Structured Exception Handler (SEH) and execute arbitrary code on vulnerable Windows systems. Organizations using Control Center PRO 6.2.9 are affected.

💻 Affected Systems

Products:
  • Control Center PRO
Versions: 6.2.9
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in the user creation module's username field. No special configuration required for exploitation.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with remote code execution leading to full administrative control, data theft, and lateral movement within the network.

🟠

Likely Case

Local privilege escalation or remote code execution leading to installation of malware, backdoors, or ransomware on vulnerable systems.

🟢

If Mitigated

Limited impact if proper network segmentation, least privilege, and exploit prevention controls are in place.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploit requires access to create users in the Control Center PRO interface. Public exploit code is available on Exploit-DB.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: http://www.webgateinc.com/wgi/eng/products/list.php?ec_idx1=P610

Restart Required: No

Instructions:

Check vendor website for updated version. If unavailable, implement workarounds and consider alternative software.

🔧 Temporary Workarounds

Restrict User Creation Access

all

Limit access to user creation functionality to trusted administrators only.

Input Validation

all

Implement custom input validation to restrict username length to less than 664 characters.

🧯 If You Can't Patch

  • Isolate vulnerable systems in a separate network segment with strict firewall rules.
  • Implement application whitelisting to prevent execution of unauthorized code.

🔍 How to Verify

Check if Vulnerable:

Check Control Center PRO version in application interface or installation directory. Version 6.2.9 is vulnerable.

Check Version:

Check application interface or read version from installed files.

Verify Fix Applied:

Verify version is updated beyond 6.2.9 or test username field with long input to ensure no buffer overflow occurs.

📡 Detection & Monitoring

Log Indicators:

  • Unusual user creation attempts with long usernames
  • Multiple failed user creation attempts

Network Indicators:

  • Network traffic to/from Control Center PRO with unusually long payloads

SIEM Query:

source="control_center_logs" AND (event="user_creation" AND username_length>664)

🔗 References

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