CVE-2017-2213 : Security Advisory and Response

SemiDynaEXE version 1.0.2 by Geospatial Information Authority of Japan (GSI) is affected by an untrusted search path vulnerability that allows attackers to gain privileges through a Trojan horse DLL.

Understanding CVE-2017-2213

What is CVE-2017-2213?

The vulnerability in SemiDynaEXE version 1.0.2, known as an untrusted search path, permits attackers to exploit a Trojan horse DLL in an unspecified directory to elevate privileges.

The Impact of CVE-2017-2213

The vulnerability enables unauthorized users to potentially acquire elevated privileges on systems running the affected version of SemiDynaEXE.

Technical Details of CVE-2017-2213

Vulnerability Description

The untrusted search path vulnerability in SemiDynaEXE version 1.0.2 allows threat actors to escalate their privileges by utilizing a malicious DLL located in an unspecified directory.

Affected Systems and Versions

Product: SemiDynaEXE (SemiDynaEXE2008.EXE)
Vendor: Geospatial Information Authority of Japan (GSI)
Version: 1.0.2

Exploitation Mechanism

Attackers can exploit this vulnerability by placing a Trojan horse DLL in a directory that has not been explicitly specified, thereby gaining unauthorized privileges.

Mitigation and Prevention

Immediate Steps to Take

Implement access controls to restrict unauthorized DLL loading.
Regularly monitor and audit DLL loading activities.
Apply the principle of least privilege to limit user permissions.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Keep systems and software updated with the latest security patches.

Patching and Updates

Ensure that the affected version of SemiDynaEXE is updated with a patch that addresses the untrusted search path vulnerability.