CVE-2022-1286 Explained : Impact and Mitigation

A heap-buffer-overflow vulnerability was discovered in mrb_vm_exec in the mruby/mruby GitHub repository before version 3.2, potentially leading to arbitrary code execution if exploited.

Understanding CVE-2022-1286

This section provides insights into the impact and technical details of the CVE-2022-1286 vulnerability.

What is CVE-2022-1286?

The CVE-2022-1286 vulnerability involves a heap-buffer-overflow in mrb_vm_exec in the mruby/mruby GitHub repository before version 3.2, allowing attackers to execute arbitrary code.

The Impact of CVE-2022-1286

With a CVSS base score of 5.9 (Medium severity), this vulnerability has a low attack complexity, impact on confidentiality, integrity, and availability, requiring no special privileges and user interactions.

Technical Details of CVE-2022-1286

Get detailed technical information about the vulnerability to understand its scope.

Vulnerability Description

The vulnerability in mrb_vm_exec in mruby/mruby allows a heap-buffer-overflow, creating the potential for arbitrary code execution.

Affected Systems and Versions

The vulnerability affects mruby/mruby versions prior to 3.2.

Exploitation Mechanism

Exploiting this vulnerability involves triggering a heap-buffer-overflow in mrb_vm_exec in the GitHub repository, mruby/mruby.

Mitigation and Prevention

Learn about the steps to mitigate the risks posed by CVE-2022-1286.

Immediate Steps to Take

Immediate actions include updating the mruby/mruby version to 3.2 or higher and monitoring for any signs of exploitation.

Long-Term Security Practices

Adopting secure coding practices, regular security audits, and threat modeling can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly apply security patches and updates to the mruby/mruby repository to address known vulnerabilities and enhance overall security.