CVE-2023-1462

8.8 HIGH

📋 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

Products:
  • Vadi Corporate Information Systems DigiKent
Versions: All versions before 23.03.20
Operating Systems: Any OS running DigiKent
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable regardless of configuration.

📦 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.

🌐 Internet-Facing: HIGH - If DigiKent is exposed to the internet, attackers can directly exploit this vulnerability without internal access.
🏢 Internal Only: HIGH - Even internally, this vulnerability allows attackers with network access to bypass authentication controls.

🎯 Exploit Status

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

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

all

Restrict network access to DigiKent systems to only authorized IP addresses and networks.

Authentication Layer Enhancement

all

Implement 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

🔗 References

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