CVE-2017-5143 : Security Advisory and Response

A vulnerability has been identified in Honeywell XL Web II Controller that allows unauthorized users to perform a directory traversal attack.

Understanding CVE-2017-5143

This CVE involves a security flaw in the Honeywell XL Web II Controller, potentially enabling attackers to access restricted directories without proper authentication.

What is CVE-2017-5143?

This CVE pertains to a vulnerability in the Honeywell XL Web II Controller, specifically in versions XL1000C500 XLWebExe-2-01-00 and earlier, as well as XLWeb 500 XLWebExe-1-02-08 and earlier. Unauthorized users can exploit this flaw by accessing a specific URL without authentication, leading to a directory traversal attack.

The Impact of CVE-2017-5143

The vulnerability allows unauthorized users to bypass authentication and access restricted directories, potentially leading to unauthorized data disclosure or manipulation.

Technical Details of CVE-2017-5143

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue in the Honeywell XL Web II Controller versions XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-1-02-08 and prior, allows unauthenticated users to conduct a directory traversal attack by exploiting a specific URL.

Affected Systems and Versions

Product: Honeywell XL Web II Controller
Versions Affected: XL1000C500 XLWebExe-2-01-00 and earlier, XLWeb 500 XLWebExe-1-02-08 and earlier

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by accessing a specific URL without proper authentication, enabling them to traverse directories and potentially access sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2017-5143 requires immediate actions and long-term security practices.

Immediate Steps to Take

Implement access controls to restrict unauthorized access to URLs and directories.
Regularly monitor and audit access logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Keep systems and software up to date with the latest security patches and updates.

Patching and Updates

Ensure that the Honeywell XL Web II Controller is updated with the latest patches and security fixes to mitigate the risk of unauthorized access and directory traversal attacks.