CVE-2019-5064 : Exploit Details and Defense Strategies

OpenCV 4.1.0 Vulnerability Overview and Mitigation

Understanding CVE-2019-5064

OpenCV 4.1.0 contains a critical vulnerability that allows attackers to execute malicious code through a specially crafted JSON file.

What is CVE-2019-5064?

The vulnerability in OpenCV 4.1.0 involves a heap buffer overflow in its data structure persistence feature, enabling attackers to corrupt the heap and potentially execute malicious code.

The Impact of CVE-2019-5064

The vulnerability has a CVSS base score of 8.8 (High) with high impacts on confidentiality, integrity, and availability. Attackers can exploit it remotely without requiring privileges.

Technical Details of CVE-2019-5064

Vulnerability Description

OpenCV 4.1.0 is susceptible to a heap buffer overflow via a specially crafted JSON file.

Affected Systems and Versions

OpenCV versions older than 4.2.0 are affected.

Exploitation Mechanism

Attackers can trigger the buffer overflow by providing a specifically designed JSON file, leading to heap corruptions and potential code execution.

Mitigation and Prevention

Immediate Steps to Take

Update OpenCV to version 4.2.0 or newer to mitigate the vulnerability.
Avoid opening untrusted JSON files to prevent exploitation.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Stay informed about security alerts and apply patches as soon as they are released.