CVE-2020-28592 : Vulnerability Insights and Analysis

A heap-based buffer overflow vulnerability in the Cosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0 allows remote code execution via a specially crafted JSON object.

Understanding CVE-2020-28592

This CVE involves a critical buffer overflow vulnerability in the Cosori Smart Air Fryer, potentially leading to remote code execution.

What is CVE-2020-28592?

The vulnerability exists in the configuration server functionality of the Cosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0.
An attacker can exploit this flaw by sending a malicious packet, triggering the buffer overflow.

The Impact of CVE-2020-28592

CVSS Base Score: 8.1 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
Confidentiality, Integrity, and Availability Impact: High
This vulnerability poses a significant risk of remote code execution.

Technical Details of CVE-2020-28592

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability is a heap-based buffer overflow in the Cosori Smart Air Fryer.
It stems from a lack of proper input size validation, allowing an attacker to execute arbitrary code remotely.

Affected Systems and Versions

Affected Product: Cosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a specific JSON object and sending it to the configuration server of the air fryer, leading to buffer overflow and potential remote code execution.

Mitigation and Prevention

Protecting systems from CVE-2020-28592 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable remote access to the affected device if not required.
Implement network segmentation to limit access to vulnerable devices.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users on safe practices to prevent social engineering attacks.

Patching and Updates

Check for security updates from the vendor and apply patches promptly to mitigate the vulnerability.