CVE-2018-0269 : Exploit Details and Defense Strategies

Cisco DNA Center has a vulnerability that could allow unauthorized remote attackers to communicate with the Kong API server. By exploiting a Cross Origin Resource Sharing (CORS) policy weakness, attackers could extract sensitive information.

Understanding CVE-2018-0269

This CVE involves a security weakness in the web framework of Cisco DNA Center, potentially enabling unauthorized access to the Kong API server.

What is CVE-2018-0269?

The vulnerability in Cisco DNA Center allows attackers to communicate with the Kong API server without proper restrictions, exploiting a permissive CORS policy.

The Impact of CVE-2018-0269

Unauthorized remote attackers could freely communicate with the Kong API server
Attackers could extract confidential information by coercing users to access malicious hyperlinks
The vulnerability is assigned Cisco Bug IDs: CSCvh99208

Technical Details of CVE-2018-0269

This section provides more technical insights into the vulnerability.

Vulnerability Description

The weakness in the web framework of Cisco DNA Center allows attackers to bypass CORS restrictions and communicate with the Kong API server.

Affected Systems and Versions

Product: Cisco DNA Center
Version: Cisco DNA Center

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into clicking on corrupted hyperlinks, enabling unauthorized communication with the API.

Mitigation and Prevention

Protecting systems from CVE-2018-0269 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches and updates provided by Cisco
Educate users about the risks of clicking on unknown links

Long-Term Security Practices

Regularly monitor and update CORS policies
Conduct security awareness training for employees

Patching and Updates

Cisco may release patches to address this vulnerability