CVE-2023-1462
📋 TL;DR
This vulnerability allows attackers to bypass authentication in Vadi Corporate Information Systems DigiKent by manipulating user-controlled keys. It affects all DigiKent installations before version 23.03.20, potentially enabling unauthorized access to sensitive corporate systems.
💻 Affected Systems
- Vadi Corporate Information Systems DigiKent
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise where attackers gain administrative privileges, access sensitive corporate data, modify critical information, or disrupt business operations.
Likely Case
Unauthorized access to corporate systems leading to data theft, privilege escalation, or manipulation of business-critical information.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and monitoring in place to detect unauthorized access attempts.
🎯 Exploit Status
The vulnerability description suggests attackers can bypass authentication by manipulating user-controlled keys, which typically requires minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 23.03.20 or later
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-23-0161
Restart Required: Yes
Instructions:
1. Download DigiKent version 23.03.20 or later from official vendor sources. 2. Backup current installation and data. 3. Apply the update following vendor documentation. 4. Restart the DigiKent service. 5. Verify successful update and functionality.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to DigiKent systems to only authorized IP addresses and networks.
Authentication Layer Enhancement
allImplement additional authentication mechanisms (MFA, IP-based restrictions) in front of DigiKent.
🧯 If You Can't Patch
- Isolate DigiKent systems in a separate network segment with strict access controls
- Implement web application firewall (WAF) rules to detect and block authentication bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check DigiKent version in system administration interface or configuration files. If version is earlier than 23.03.20, system is vulnerable.
Check Version:
Check DigiKent web interface admin panel or consult vendor documentation for version checking method.
Verify Fix Applied:
Verify DigiKent version shows 23.03.20 or later in system administration interface and test authentication bypass attempts fail.
📡 Detection & Monitoring
Log Indicators:
- Failed authentication attempts followed by successful access
- Unusual user access patterns
- Access from unexpected IP addresses
Network Indicators:
- Authentication bypass attempts in HTTP requests
- Unusual API calls to authentication endpoints
SIEM Query:
source="digikent" AND (event_type="auth_failure" OR event_type="auth_success") | stats count by src_ip, user