CVE-2017-2908 : Security Advisory and Response

Blender version 2.78c has a vulnerability in its thumbnail functionality that can lead to a buffer overflow, enabling code execution by an attacker.

Understanding CVE-2017-2908

Blender's vulnerability allows attackers to exploit a specially crafted .blend file to trigger an integer overflow, resulting in a buffer overflow and potential code execution within the application's context.

What is CVE-2017-2908?

The Blender open-source 3D creation suite version 2.78c contains a vulnerability in its thumbnail functionality that can be exploited to execute code within the application's context.

The Impact of CVE-2017-2908

CVSS Score: 7.5 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2017-2908

Blender version 2.78c is susceptible to a buffer overflow due to an integer overflow triggered by rendering a thumbnail in the File->Open dialog.

Vulnerability Description

An integer overflow in the thumbnail functionality of Blender version 2.78c can lead to a buffer overflow, allowing attackers to execute code within the application's context.

Affected Systems and Versions

Affected Product: Blender
Affected Version: v2.78c

Exploitation Mechanism

To exploit this vulnerability, an attacker needs to persuade a user to render the thumbnail of a specially crafted .blend file while in the File->Open dialog.

Mitigation and Prevention

Immediate Steps to Take:

Update Blender to a patched version.
Avoid opening files from untrusted sources.
Exercise caution when rendering thumbnails in Blender. Long-Term Security Practices:
Regularly update software and apply security patches.
Educate users on safe file handling practices.

Patching and Updates

Ensure that Blender is updated to the latest version that addresses the vulnerability.