CVE-2023-4770 : What You Need to Know

This CVE-2023-4770 advisory was published by INCIBE. It addresses an uncontrolled search path element vulnerability in 4D and 4D Windows Server applications, impacting version 19 R8 100218.

Understanding CVE-2023-4770

This section provides insights into the nature of the vulnerability and its potential impact.

What is CVE-2023-4770?

CVE-2023-4770 involves an uncontrolled search path element vulnerability found in 4D and 4D Server Windows executables applications. The vulnerability affects version 19 R8 100218. The issue stems from DLL hijacking, where an attacker can exploit the vulnerability by replacing x64 shfolder.dll in the installation path, leading to arbitrary code execution.

The Impact of CVE-2023-4770

The vulnerability has a base severity score of 6.5, categorized as medium severity. With a high impact on availability, confidentiality, and integrity, this vulnerability requires high privileges and user interaction for exploitation. The attack vector is local, making it crucial to address to prevent unauthorized code execution.

Technical Details of CVE-2023-4770

This section delves into specific technical details of the CVE-2023-4770 vulnerability.

Vulnerability Description

The vulnerability arises from an uncontrolled search path element in 4D and 4D Server Windows executables, allowing DLL hijacking. By replacing x64 shfolder.dll in the installation path, attackers can execute arbitrary code on the affected system.

Affected Systems and Versions

The vulnerability impacts 4D.exe and 4D Server.exe versions specifically version 19 R8 100218. Users utilizing these versions are vulnerable to the exploit and should take immediate action to mitigate the risk.

Exploitation Mechanism

Exploiting this vulnerability requires a local presence, high privileges, and user interaction. Attackers can leverage the DLL hijacking technique to gain unauthorized access and execute malicious code on the target system.

Mitigation and Prevention

This section outlines steps to mitigate and prevent exploitation of CVE-2023-4770.

Immediate Steps to Take

Users should apply security patches or updates provided by 4D to address the vulnerability promptly.
Implement file system and application hardening measures to restrict unauthorized access.
Monitor system activity for any suspicious DLL loading or execution.

Long-Term Security Practices

Regularly update software and applications to ensure the latest security patches are in place.
Conduct thorough security assessments and penetration testing to identify and remediate vulnerabilities proactively.
Educate users on secure computing practices and the importance of timely updates for system security.

Patching and Updates

4D users should regularly check for security advisories and updates from the vendor to stay informed about patch releases. Promptly applying patches is crucial to safeguard systems against potential exploits leveraging CVE-2023-4770.