CVE-2017-5139 : Exploit Details and Defense Strategies

A vulnerability was found in the Honeywell XL Web II controller that allows any user to reveal a password due to the insecure storage of plaintext passwords.

Understanding CVE-2017-5139

This CVE identifies a security flaw in the Honeywell XL Web II controller that could compromise password security.

What is CVE-2017-5139?

CVE-2017-5139 is a vulnerability in the Honeywell XL Web II controller that enables any user to expose a password by accessing a specific URL because of the insecure storage of plaintext passwords.

The Impact of CVE-2017-5139

The vulnerability poses a significant security risk as it allows unauthorized users to access sensitive information, compromising the confidentiality of passwords stored on the controller.

Technical Details of CVE-2017-5139

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in the Honeywell XL Web II controller versions XL1000C500 XLWebExe-2-01-00 and earlier, and XLWeb 500 XLWebExe-1-02-08 and earlier, allows any user to reveal a password by accessing a specific URL due to the insecure storage of plaintext passwords.

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

The vulnerability can be exploited by any user accessing a particular URL, leading to the disclosure of stored passwords.

Mitigation and Prevention

Protecting systems from CVE-2017-5139 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Honeywell XL Web II controller to the latest secure version.
Implement strong password policies and avoid storing passwords in plaintext.

Long-Term Security Practices

Regularly monitor and audit access to the controller.
Train users on secure password practices and the importance of data confidentiality.

Patching and Updates

Apply patches and security updates provided by Honeywell to address the vulnerability and enhance system security.