CVE-2018-20769 : Exploit Details and Defense Strategies

A vulnerability known as Local File Inclusion has been identified on various Xerox devices including the Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, 7970i, EC7836, and EC7856 models. This vulnerability exists in versions prior to R18-05 073.xxx.0487.15000.

Understanding CVE-2018-20769

This CVE identifies a Local File Inclusion vulnerability affecting multiple Xerox device models.

What is CVE-2018-20769?

CVE-2018-20769 is a security vulnerability that allows an attacker to include files located on the target server through a web application.

The Impact of CVE-2018-20769

This vulnerability could be exploited by attackers to access sensitive information, execute arbitrary code, or perform unauthorized actions on the affected Xerox devices.

Technical Details of CVE-2018-20769

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability allows for Local File Inclusion on Xerox WorkCentre models listed in the description.

Affected Systems and Versions

Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, 7970i, EC7836, and EC7856 models
Versions prior to R18-05 073.xxx.0487.15000

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating input to include arbitrary files from the server, potentially leading to unauthorized access or code execution.

Mitigation and Prevention

Protect your systems from CVE-2018-20769 with the following steps:

Immediate Steps to Take

Apply security patches provided by Xerox for the affected device models.
Monitor network traffic for any suspicious activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update and patch all software and firmware on Xerox devices to prevent known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential security breaches.

Patching and Updates

Stay informed about security updates and advisories from Xerox to apply patches promptly and ensure the security of your devices.