CVE-2017-12105 : What You Need to Know

A vulnerability has been discovered in version 2.78c of the Blender open-source 3D creation suite, allowing for arbitrary code execution.

Understanding CVE-2017-12105

Blender version 2.78c is affected by an integer overflow vulnerability that can lead to a buffer overflow, enabling attackers to execute malicious code within the application's context.

What is CVE-2017-12105?

The vulnerability involves an integer overflow triggered by a specific object modifier applied to a Mesh in Blender.
Attackers can exploit this by creating a manipulated .blend file, causing the overflow and subsequent buffer overflow.
This exploitation allows for the execution of arbitrary code within Blender.

The Impact of CVE-2017-12105

CVSS Score: 8.8 (High)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2017-12105

Blender's vulnerability involves an integer overflow leading to a buffer overflow, enabling arbitrary code execution.

Vulnerability Description

An integer overflow occurs when a specific object modifier is applied to a Mesh in Blender, leading to a buffer overflow.

Affected Systems and Versions

Affected Product: Blender
Affected Version: v2.78c (32-bit)

Exploitation Mechanism

Attackers can exploit this vulnerability by persuading a user to open a manipulated .blend file or incorporating it as a library.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks posed by CVE-2017-12105.

Immediate Steps to Take

Update Blender to a patched version that addresses the vulnerability.
Avoid opening suspicious or untrusted .blend files.
Educate users about the risks associated with opening files from unknown sources.

Long-Term Security Practices

Implement regular security training for users to recognize and report suspicious activities.
Employ network monitoring and intrusion detection systems to detect and prevent unauthorized access.

Patching and Updates

Regularly check for security updates and patches released by Blender to address known vulnerabilities.