CVE-2018-5792 : Vulnerability Insights and Analysis

A vulnerability was found in Extreme Networks ExtremeWireless WiNG versions 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3. The WiNG Access Point is affected by a remote and unauthenticated heap overflow in the HSD Process through the MINT (Media Independent Tunnel) Protocol when receiving specially crafted packets.

Understanding CVE-2018-5792

This CVE identifies a critical vulnerability in Extreme Networks ExtremeWireless WiNG.

What is CVE-2018-5792?

CVE-2018-5792 is a remote and unauthenticated heap overflow vulnerability in the HSD Process via the MINT Protocol on WiNG Access Points.

The Impact of CVE-2018-5792

This vulnerability could allow attackers to execute arbitrary code or cause a denial of service by sending malicious packets to the affected device.

Technical Details of CVE-2018-5792

This section provides in-depth technical details of the vulnerability.

Vulnerability Description

The vulnerability involves a heap overflow in the HSD Process over the MINT Protocol on ExtremeWireless WiNG Access Points.

Affected Systems and Versions

Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9
Extreme Networks ExtremeWireless WiNG 5.9.x before 5.9.1.3

Exploitation Mechanism

The vulnerability occurs when the WiNG Access Point receives specially crafted packets, triggering a heap overflow in the HSD Process.

Mitigation and Prevention

Protecting systems from CVE-2018-5792 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch all software and firmware on network devices.
Conduct security assessments and penetration testing to identify and address vulnerabilities.
Educate users and IT staff on best security practices to prevent future incidents.
Consider implementing intrusion detection and prevention systems.

Patching and Updates

Ensure that all affected ExtremeWireless WiNG devices are updated to versions 5.8.6.9 or 5.9.1.3 to mitigate the vulnerability.