CVE-2017-2286 Explained : Impact and Mitigation

This CVE-2017-2286 vulnerability affects various Sony Corporation products, allowing attackers to gain elevated privileges through untrusted search paths.

Understanding CVE-2017-2286

What is CVE-2017-2286?

The vulnerability in NFC Port Software, PC/SC Activator, SFCard Viewer, and NFC Net Installer versions allows attackers to exploit untrusted search paths to execute malicious DLL files and elevate privileges.

The Impact of CVE-2017-2286

The vulnerability enables attackers to gain elevated privileges by placing a malicious DLL file in an unspecified directory.

Technical Details of CVE-2017-2286

Vulnerability Description

The vulnerability lies in the untrusted search paths of affected Sony Corporation products, facilitating privilege escalation through malicious DLL files.

Affected Systems and Versions

NFC Port Software Version 5.5.0.6 and earlier
NFC Port Software Version 5.3.6.7 and earlier
PC/SC Activator for Type B Ver.1.2.1.0 and earlier
SFCard Viewer 2 Ver.2.5.0.0 and earlier
NFC Net Installer Ver.1.1.0.0 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by placing a Trojan horse DLL file in an unspecified directory, leading to privilege escalation.

Mitigation and Prevention

Immediate Steps to Take

Update the affected software to the latest patched versions.
Implement strict file system permissions to prevent unauthorized DLL execution.

Long-Term Security Practices

Regularly monitor and audit file system changes for suspicious activities.
Educate users on safe software installation practices to avoid DLL hijacking.

Patching and Updates

Apply security patches provided by Sony Corporation to address the vulnerability and prevent privilege escalation.