CVE-2018-5793 : Security Advisory and Response
Learn about CVE-2018-5793, a critical vulnerability in Extreme Networks ExtremeWireless WiNG versions 5.x and 5.9.x, allowing for a remote, unauthorized heap overflow in the HSD Process via the MINT Protocol.
A vulnerability has been found in Extreme Networks ExtremeWireless WiNG versions 5.x prior to 5.8.6.9 and 5.9.x prior to 5.9.1.3, allowing for a remote, unauthorized heap overflow in the HSD Process when using the MINT Protocol on the WiNG Access Point.
Understanding CVE-2018-5793
This CVE involves a critical vulnerability in Extreme Networks ExtremeWireless WiNG versions 5.x and 5.9.x that can be exploited remotely.
What is CVE-2018-5793?
The vulnerability in ExtremeWireless WiNG allows for a remote, unauthorized heap overflow in the HSD Process when utilizing the MINT Protocol on the WiNG Access Point. This overflow can be triggered by specially crafted packets.
The Impact of CVE-2018-5793
The vulnerability poses a significant risk as it can be exploited remotely, potentially leading to unauthorized access and control over affected systems.
Technical Details of CVE-2018-5793
This section provides more in-depth technical details regarding the CVE.
Vulnerability Description
An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3, involving a Remote, Unauthenticated Heap Overflow in the HSD Process over the MINT Protocol on the WiNG Access Point via crafted packets.
Affected Systems and Versions
- Extreme Networks ExtremeWireless WiNG versions 5.x before 5.8.6.9
- Extreme Networks ExtremeWireless WiNG versions 5.9.x before 5.9.1.3
Exploitation Mechanism
The vulnerability can be exploited remotely by sending specifically crafted packets to the WiNG Access Point, triggering a heap overflow in the HSD Process.
Mitigation and Prevention
Protecting systems from CVE-2018-5793 requires immediate action and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Extreme Networks 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 network devices and software.
- Conduct security assessments and penetration testing to identify vulnerabilities.
- Educate users and IT staff on best security practices to prevent future incidents.
Patching and Updates
Extreme Networks has released patches to address the vulnerability. Ensure that all affected systems are updated with the latest security fixes.