CVE-2017-2231 Explained : Impact and Mitigation

A vulnerability known as "untrusted search path" has been identified in versions of the MLIT DenshiSeikabutsuSakuseiShienKensa system prior to Ver3.02, which was distributed until June 20, 2017. This vulnerability occurs in the installer of the system, specifically in the self-extracting archive that includes the installer. By exploiting this vulnerability, an attacker can potentially acquire elevated privileges by deploying a malicious Trojan horse DLL in an undisclosed directory.

Understanding CVE-2017-2231

This CVE involves an untrusted search path vulnerability in the MLIT DenshiSeikabutsuSakuseiShienKensa system.

What is CVE-2017-2231?

The vulnerability allows an attacker to gain elevated privileges by placing a malicious DLL in a specific directory during the installation process.

The Impact of CVE-2017-2231

The exploitation of this vulnerability could lead to unauthorized access and potential system compromise.

Technical Details of CVE-2017-2231

This section provides technical details about the vulnerability.

Vulnerability Description

The untrusted search path vulnerability in the MLIT DenshiSeikabutsuSakuseiShienKensa system allows attackers to execute arbitrary code with elevated privileges.

Affected Systems and Versions

Product: The installer of MLIT DenshiSeikabutsuSakuseiShienKensa system
Vendor: Ministry of Land, Infrastructure, Transport and Tourism, Japan
Versions affected: Ver3.02 and earlier, distributed till June 20, 2017
Product: The self-extracting archive including the installer of MLIT DenshiSeikabutsuSakuseiShienKensa system
Vendor: Ministry of Land, Infrastructure, Transport and Tourism, Japan
Versions affected: Ver3.02 and earlier, distributed till June 20, 2017

Exploitation Mechanism

The vulnerability is exploited by placing a malicious Trojan horse DLL in an undisclosed directory during the installation of the affected systems.

Mitigation and Prevention

Protecting systems from CVE-2017-2231 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the affected systems to a patched version immediately.
Monitor system directories for any unauthorized DLLs.
Implement strict access controls to prevent unauthorized installations.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and audits to identify and mitigate risks.
Educate users on safe installation practices and the importance of system security.

Patching and Updates

Apply the latest security patches provided by the Ministry of Land, Infrastructure, Transport and Tourism, Japan.
Stay informed about security advisories and updates related to the MLIT DenshiSeikabutsuSakuseiShienKensa system.