CVE-2017-16744 : Exploit Details and Defense Strategies

Tridium Niagara AX Versions 3.8 and earlier, as well as Niagara 4 systems Versions 4.4 and earlier, installed on Microsoft Windows Systems, contain a vulnerability that allows for path traversal. This vulnerability can be exploited by taking advantage of legitimate platform (administrator) credentials.

Understanding CVE-2017-16744

Tridium Niagara AX and Niagara 4 Frameworks are affected by a path traversal vulnerability that could be exploited by attackers with valid administrator credentials.

What is CVE-2017-16744?

CVE-2017-16744 is a vulnerability in Tridium Niagara AX Versions 3.8 and prior and Niagara 4 systems Versions 4.4 and prior, allowing unauthorized path traversal on Windows Systems.

The Impact of CVE-2017-16744

This vulnerability could lead to unauthorized access and manipulation of sensitive files and data on affected systems, posing a significant security risk.

Technical Details of CVE-2017-16744

Tridium Niagara AX and Niagara 4 Frameworks are susceptible to a path traversal vulnerability that could be exploited by attackers with valid credentials.

Vulnerability Description

The vulnerability stems from improper limitation of a pathname to a restricted directory, enabling attackers to traverse directories and access unauthorized files.

Affected Systems and Versions

Product: Niagara AX Framework and Niagara 4 Framework
Vendor: ICS-CERT
Versions Affected: Niagara AX Framework Versions 3.8 and prior, Niagara 4 Framework Versions 4.4 and prior

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging valid platform (administrator) credentials to navigate through directories and access restricted files.

Mitigation and Prevention

To address CVE-2017-16744, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Apply patches and updates provided by the vendor promptly.
Monitor system logs for any suspicious activities indicating unauthorized access.
Restrict access to critical systems and data to authorized personnel only.

Long-Term Security Practices

Implement the principle of least privilege to limit access rights for users and applications.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and administrators about safe computing practices and the importance of strong password management.

Patching and Updates

Regularly check for security advisories from the vendor and apply patches and updates to ensure systems are protected against known vulnerabilities.