CVE-2017-2233 : Security Advisory and Response

A vulnerability in the Installer of PDF Digital Signature Plugin (G2.30) and earlier versions distributed until June 29, 2017, allows attackers to gain elevated privileges through a Trojan horse DLL file.

Understanding CVE-2017-2233

This CVE involves an untrusted search path vulnerability in the PDF Digital Signature Plugin installer.

What is CVE-2017-2233?

The vulnerability in the PDF Digital Signature Plugin installer allows malicious actors to exploit a search path weakness to acquire elevated privileges.

The Impact of CVE-2017-2233

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

Technical Details of CVE-2017-2233

The technical aspects of the CVE-2017-2233 vulnerability are as follows:

Vulnerability Description

Type: Untrusted search path vulnerability
Product affected: Installer of PDF Digital Signature Plugin
Versions affected: G2.30 and earlier, distributed till June 29, 2017

Affected Systems and Versions

Product: Installer of PDF Digital Signature Plugin
Vendor: The Ministry of Justice
Versions: G2.30 and earlier, distributed till June 29, 2017

Exploitation Mechanism

Attackers exploit the untrusted search path vulnerability by placing a Trojan horse DLL file in an unspecified directory.

Mitigation and Prevention

To address CVE-2017-2233, consider the following steps:

Immediate Steps to Take

Update the PDF Digital Signature Plugin to a secure version.
Implement file integrity monitoring to detect unauthorized DLL files.

Long-Term Security Practices

Regularly monitor and audit file system permissions.
Conduct security training to educate users on safe software installation practices.

Patching and Updates

Apply security patches provided by the Ministry of Justice for the PDF Digital Signature Plugin.