CVE-2020-27302 : Vulnerability Insights and Analysis

This CVE involves a stack buffer overflow in Realtek RTL8710 and other Ameba-based devices, potentially leading to remote code execution through a specific Wi-Fi attack.

Understanding CVE-2020-27302

This vulnerability allows attackers to exploit a stack buffer overflow in Realtek RTL8710 and similar devices, enabling remote code execution.

What is CVE-2020-27302?

A stack buffer overflow in Realtek RTL8710 and Ameba-based devices can be exploited by attackers within Wi-Fi range to execute remote code.

The Impact of CVE-2020-27302

The vulnerability can result in remote code execution on affected devices, posing a significant security risk to users and organizations.

Technical Details of CVE-2020-27302

This section provides technical insights into the vulnerability.

Vulnerability Description

The issue arises from a stack buffer overflow in Realtek RTL8710 and Ameba-based devices, triggered by a crafted "Encrypted GTK" value during the WPA2 4-way-handshake.

Affected Systems and Versions

Product: Realtek RTL8710 and Ameba-based devices
Version: All versions

Exploitation Mechanism

Attackers can exploit the vulnerability by sending a malicious "Encrypted GTK" value as part of the WPA2 4-way-handshake, triggering the stack buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2020-27302 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Stay informed about security advisories and updates from Realtek and device manufacturers.