CVE-2017-5142 : Vulnerability Insights and Analysis

CVE-2017-5142 was published on February 13, 2017, by ICS-CERT. It involves improper privilege management in the Honeywell XL Web II Controller, potentially allowing users with limited privileges to access a specific URL and modify parameters.

Understanding CVE-2017-5142

This CVE identifies a security issue in the Honeywell XL Web II Controller that could lead to unauthorized parameter modifications due to inadequate privilege management.

What is CVE-2017-5142?

The vulnerability in the Honeywell XL Web II Controller allows users with restricted privileges to access a specific URL and alter parameters, posing a security risk.

The Impact of CVE-2017-5142

The vulnerability could be exploited by attackers with limited access to compromise the integrity and confidentiality of the controller, potentially leading to unauthorized changes in settings.

Technical Details of CVE-2017-5142

CVE-2017-5142 involves the following technical aspects:

Vulnerability Description

The issue affects Honeywell XL Web II Controller models XL1000C500 XLWebExe-2-01-00 and earlier, as well as XLWeb 500 XLWebExe-1-02-08 and earlier. It allows users with low privileges to access a specific URL and modify parameters due to improper privilege management.

Affected Systems and Versions

Honeywell XL Web II Controller XL1000C500 XLWebExe-2-01-00 and earlier
XLWeb 500 XLWebExe-1-02-08 and earlier

Exploitation Mechanism

Attackers with limited privileges can exploit the vulnerability by accessing a particular URL and manipulating parameters, potentially leading to unauthorized changes.

Mitigation and Prevention

To address CVE-2017-5142, consider the following steps:

Immediate Steps to Take

Restrict access to the affected controller to authorized personnel only
Monitor and log access to critical URLs and parameters

Long-Term Security Practices

Implement a least privilege access control policy
Regularly update and patch the controller software

Patching and Updates

Apply security patches provided by Honeywell to address the privilege management issue in the XL Web II Controller.