CVE-2024-7107

7.5 HIGH

📋 TL;DR

This vulnerability allows unauthorized external parties to access files or directories in National Keep Cyber Security Services CyberMath, potentially enabling data collection from common resource locations. It affects CyberMath versions before CYBM.240816253, exposing sensitive information to attackers.

💻 Affected Systems

Products:
  • National Keep Cyber Security Services CyberMath
Versions: All versions before CYBM.240816253
Operating Systems: Unknown - likely multiple
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in common resource locations accessible to external parties.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could access sensitive configuration files, user data, or system files, leading to data theft, credential compromise, or further system exploitation.

🟠

Likely Case

Unauthorized access to application files containing configuration data, logs, or temporary files that may include sensitive information.

🟢

If Mitigated

Limited access to non-sensitive files with proper access controls and monitoring in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

CWE-552 indicates files/directories accessible to external parties, suggesting straightforward path traversal or improper access control.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: CYBM.240816253 or later

Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-24-1549

Restart Required: Yes

Instructions:

1. Download the latest version from the vendor. 2. Backup current installation. 3. Install the update. 4. Restart the CyberMath service. 5. Verify the update was successful.

🔧 Temporary Workarounds

Restrict File Access Permissions

linux

Modify file system permissions to restrict access to sensitive directories and files.

chmod 750 /path/to/cybermath/directories
chown root:root /path/to/cybermath/files

Implement Web Application Firewall Rules

all

Block requests attempting to access sensitive paths or containing path traversal patterns.

🧯 If You Can't Patch

  • Implement strict access controls and network segmentation to isolate the vulnerable system.
  • Deploy monitoring and alerting for unauthorized file access attempts.

🔍 How to Verify

Check if Vulnerable:

Check the CyberMath version number in the application interface or configuration files. If version is earlier than CYBM.240816253, the system is vulnerable.

Check Version:

Check application documentation for version command or examine configuration files.

Verify Fix Applied:

Confirm the version is CYBM.240816253 or later and test that sensitive files/directories are no longer accessible externally.

📡 Detection & Monitoring

Log Indicators:

  • Unusual file access patterns
  • Requests to sensitive paths
  • Failed access attempts to restricted directories

Network Indicators:

  • HTTP requests with path traversal patterns (../)
  • Access to non-standard file extensions

SIEM Query:

source="web_logs" AND (uri="*../*" OR uri="*/config*" OR uri="*/log*" OR uri="*/temp*")

🔗 References

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