CVE-2018-0459 : Exploit Details and Defense Strategies

A vulnerability in the web-based management interface of Cisco Enterprise NFV Infrastructure Software (NFVIS) allows a remote attacker to reboot or shut down an affected system.

Understanding CVE-2018-0459

This CVE involves a flaw in the web-based management interface of Cisco NFVIS that could be exploited by an authenticated attacker to disrupt system operations.

What is CVE-2018-0459?

The vulnerability in Cisco NFVIS arises from inadequate authorization checks on the server side, enabling a privileged attacker to manipulate the system through crafted HTTP requests.

The Impact of CVE-2018-0459

The vulnerability has a CVSS base score of 6.5, indicating a moderate severity level. Successful exploitation could lead to unauthorized system reboots or shutdowns.

Technical Details of CVE-2018-0459

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw in Cisco NFVIS allows a remote attacker with limited privileges to disrupt system operations by sending customized HTTP requests.

Affected Systems and Versions

Product: Cisco Enterprise NFV Infrastructure Software
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

An authenticated attacker can exploit the vulnerability through the web-based management interface by sending a crafted HTTP request.

Mitigation and Prevention

Protecting systems from CVE-2018-0459 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly to mitigate the vulnerability.
Monitor system logs for any unauthorized shutdown or reboot activities.

Long-Term Security Practices

Regularly review and update access control policies for the management interface.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Cisco has released patches to address the vulnerability. Ensure timely installation of these updates to secure the system.