CVE-2017-20156 Explained : Impact and Mitigation

A critical vulnerability has been discovered in the Exciting Printer software that allows for command injection through the Argument Handler component.

Understanding CVE-2017-20156

This CVE identifies a command injection vulnerability in the Exciting Printer software.

What is CVE-2017-20156?

The vulnerability allows attackers to execute commands by manipulating the argument URL in the prepare_page.rb file of the Argument Handler component.

The Impact of CVE-2017-20156

The vulnerability poses a medium severity risk with a CVSS base score of 5.5, potentially leading to unauthorized command execution.

Technical Details of CVE-2017-20156

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability exists in the Argument Handler component of Exciting Printer, specifically in the file lib/printer/jobs/prepare_page.rb, allowing for command injection.

Affected Systems and Versions

Vendor: Exciting
Product: Printer
Affected Version: n/a
Module: Argument Handler

Exploitation Mechanism

By manipulating the argument URL, an attacker can inject and execute arbitrary commands within the Exciting Printer software.

Mitigation and Prevention

Protect your systems from CVE-2017-20156 with the following steps.

Immediate Steps to Take

Apply the patch labeled 5f8c715d6e2cc000f621a6833f0a86a673462136

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities
Implement input validation to mitigate command injection risks
Monitor and restrict access to critical system components
Conduct security assessments and audits periodically

Patching and Updates

Ensure timely application of security patches and updates to mitigate the risk of command injection vulnerabilities.