CVE-2023-6677

9.8 CRITICAL

📋 TL;DR

This SQL injection vulnerability in Oduyo Financial Technology Online Collection allows attackers to execute arbitrary SQL commands by injecting malicious input. It affects all systems running Online Collection versions before 1.0.2, potentially compromising financial data and system integrity.

💻 Affected Systems

Products:
  • Oduyo Financial Technology Online Collection
Versions: All versions before 1.0.2
Operating Systems: Any OS running the application
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all deployments of vulnerable versions regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, financial fraud, system takeover, and potential lateral movement to other systems.

🟠

Likely Case

Unauthorized access to sensitive financial data, customer information exposure, and potential data manipulation or deletion.

🟢

If Mitigated

Limited impact due to proper input validation, parameterized queries, and database permissions restricting damage to non-critical data.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

SQL injection vulnerabilities are commonly exploited with automated tools. The high CVSS score suggests easy exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.2

Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-24-0100

Restart Required: Yes

Instructions:

1. Backup your database and application. 2. Download version 1.0.2 from official vendor sources. 3. Replace vulnerable files with patched version. 4. Restart the application service. 5. Verify functionality.

🔧 Temporary Workarounds

Web Application Firewall (WAF)

all

Deploy a WAF with SQL injection rules to block malicious requests

Input Validation Filter

all

Implement application-level input validation to reject SQL special characters

🧯 If You Can't Patch

  • Isolate the vulnerable system from internet access and restrict internal network access
  • Implement strict database permissions and monitor all SQL queries for anomalies

🔍 How to Verify

Check if Vulnerable:

Check application version in admin panel or configuration files. If version is below 1.0.2, system is vulnerable.

Check Version:

Check application configuration files or admin interface for version information

Verify Fix Applied:

Confirm version is 1.0.2 or higher and test input fields with SQL injection test payloads (in controlled environment).

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL error messages in application logs
  • Multiple failed login attempts with SQL syntax
  • Unexpected database queries from application

Network Indicators:

  • HTTP requests containing SQL keywords (SELECT, UNION, DROP, etc.)
  • Abnormal database connection patterns

SIEM Query:

source="web_logs" AND ("' OR" OR "UNION SELECT" OR "DROP TABLE" OR "--" OR ";--")

🔗 References

📤 Share & Export