CVE-2018-5790 : What You Need to Know

A vulnerability has been identified in Extreme Networks ExtremeWireless WiNG 5.x versions prior to 5.8.6.9 and 5.9.x versions prior to 5.9.1.3, leading to a Remote, Unauthenticated "Global" Denial of Service in the RIM (Radio Interface Module) when using the MINT (Media Independent Tunnel) Protocol on the WiNG Access Point.

Understanding CVE-2018-5790

This CVE-2018-5790 vulnerability affects Extreme Networks ExtremeWireless WiNG 5.x versions prior to 5.8.6.9 and 5.9.x versions prior to 5.9.1.3.

What is CVE-2018-5790?

This vulnerability allows attackers to cause a Remote, Unauthenticated "Global" Denial of Service in the RIM (Radio Interface Module) by exploiting the MINT Protocol on the WiNG Access Point through specific crafted packets.

The Impact of CVE-2018-5790

The vulnerability can result in a complete denial of service, disrupting network operations and potentially causing downtime for affected systems.

Technical Details of CVE-2018-5790

ExtremeWireless WiNG 5.x versions before 5.8.6.9 and 5.9.x before 5.9.1.3 are susceptible to this vulnerability.

Vulnerability Description

An issue in the RIM over the MINT Protocol on the WiNG Access Point allows for Remote, Unauthenticated "Global" Denial of Service through specially crafted packets.

Affected Systems and Versions

Extreme Networks ExtremeWireless WiNG 5.x versions prior to 5.8.6.9
Extreme Networks ExtremeWireless WiNG 5.9.x versions prior to 5.9.1.3

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specific crafted packets to the WiNG Access Point, triggering a Remote, Unauthenticated "Global" Denial of Service in the RIM.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2018-5790.

Immediate Steps to Take

Apply the necessary security patches provided by Extreme Networks to mitigate the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch all network devices to prevent future vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.
Conduct regular security assessments and audits to identify and address security gaps.
Educate network administrators and users about best security practices.
Stay informed about security advisories and updates from Extreme Networks.

Patching and Updates

Extreme Networks has released patches to address the vulnerability. Ensure that all affected systems are updated to the latest patched versions to mitigate the risk of exploitation.