CVE-2025-14018

7.3 HIGH

📋 TL;DR

This CVE describes an unquoted search path vulnerability in NetBT Consulting Services Inc.'s E-Fatura software. Attackers can manipulate configuration file search paths to redirect access to malicious libraries, potentially leading to arbitrary code execution. This affects all users running e-Fatura versions before 1.2.15.

💻 Affected Systems

Products:
  • NetBT Consulting Services Inc. E-Fatura
Versions: All versions before 1.2.15
Operating Systems: Windows (likely, based on typical e-Fatura deployment)
Default Config Vulnerable: ⚠️ Yes
Notes: Requires ability to place malicious files in search path locations accessible to the e-Fatura application.

⚠️ 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

Full system compromise via arbitrary code execution with the privileges of the e-Fatura service, potentially leading to data theft, ransomware deployment, or lateral movement within the network.

🟠

Likely Case

Local privilege escalation or execution of malicious code within the context of the e-Fatura application, potentially compromising sensitive financial data.

🟢

If Mitigated

Limited impact if proper application whitelisting and file integrity monitoring are in place, though configuration manipulation may still occur.

🌐 Internet-Facing: LOW - This vulnerability requires local access or ability to place files on the target system, making direct internet exploitation unlikely.
🏢 Internal Only: HIGH - Internal attackers with access to the system can exploit this vulnerability to escalate privileges or execute malicious code.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires local access to place malicious files in appropriate directories. The technique is well-known for unquoted path vulnerabilities.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.2.15

Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0474

Restart Required: Yes

Instructions:

1. Download e-Fatura version 1.2.15 or later from official vendor sources. 2. Backup current configuration and data. 3. Install the updated version following vendor instructions. 4. Restart the e-Fatura service and verify functionality.

🔧 Temporary Workarounds

Restrict file permissions on search path directories

windows

Limit write access to directories in the e-Fatura search path to prevent malicious file placement

icacls "C:\Program Files\e-Fatura\" /deny Users:(OI)(CI)W
icacls "C:\Program Files (x86)\e-Fatura\" /deny Users:(OI)(CI)W

Use application whitelisting

windows

Implement application control policies to prevent execution of unauthorized binaries

🧯 If You Can't Patch

  • Implement strict file integrity monitoring on e-Fatura directories and configuration files
  • Restrict user access to systems running e-Fatura and implement least privilege principles

🔍 How to Verify

Check if Vulnerable:

Check e-Fatura version in application settings or About dialog. If version is below 1.2.15, the system is vulnerable.

Check Version:

Check application GUI or registry key: HKEY_LOCAL_MACHINE\SOFTWARE\NetBT\e-Fatura\Version

Verify Fix Applied:

Verify e-Fatura version shows 1.2.15 or higher after update. Test application functionality to ensure patch didn't break core features.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected file creation in e-Fatura directories
  • Process execution from unusual locations in e-Fatura search path
  • Failed attempts to access restricted directories

Network Indicators:

  • Unusual outbound connections from e-Fatura process
  • DNS queries for suspicious domains from e-Fatura host

SIEM Query:

Process Creation where (Image contains "e-Fatura" OR ParentImage contains "e-Fatura") AND (CommandLine contains unusual paths OR CurrentDirectory contains suspicious locations)

🔗 References

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