CVE-2017-2215 : What You Need to Know

CVE-2017-2215, published on July 7, 2017, addresses a vulnerability in the Installer of "Setup file of advance preparation" (jizen_setup.exe) by the National Tax Agency. The vulnerability, known as an untrusted search path, allows attackers to gain privileges by introducing a malicious Trojan horse DLL into an unknown directory.

Understanding CVE-2017-2215

This CVE entry highlights a critical security issue in the installation process of the "Advance Preparation Setup file" prior to June 12, 2017.

What is CVE-2017-2215?

The vulnerability in the Installer of "Setup file of advance preparation" (jizen_setup.exe) allows attackers to exploit an untrusted search path, leading to privilege escalation through a malicious DLL.

The Impact of CVE-2017-2215

The presence of this vulnerability enables threat actors to potentially execute arbitrary code with elevated privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2017-2215

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The untrusted search path vulnerability in the Installer of "Setup file of advance preparation" (jizen_setup.exe) facilitates privilege escalation by allowing the introduction of a malicious Trojan horse DLL into an unspecified directory.

Affected Systems and Versions

Product: Installer of "Setup file of advance preparation" (jizen_setup.exe)
Vendor: National Tax Agency
Versions: The version available on the website before June 12, 2017

Exploitation Mechanism

Attackers can exploit this vulnerability by placing a malicious DLL in an unknown directory during the installation process, potentially leading to unauthorized privilege escalation.

Mitigation and Prevention

To address CVE-2017-2215, immediate steps and long-term security practices are crucial.

Immediate Steps to Take

Update the affected software to a secure version that addresses the vulnerability.
Implement robust access controls to limit the impact of potential privilege escalation attacks.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and remediate vulnerabilities promptly.
Educate users and administrators about safe software installation practices and the risks associated with untrusted search paths.

Patching and Updates

Stay informed about security advisories and updates from the National Tax Agency to apply patches promptly and mitigate known vulnerabilities.