CVE-2017-2905 : What You Need to Know

Blender version 2.78c has a vulnerability in its bmp loading feature that can lead to a buffer overflow and arbitrary code execution. This CVE was published on January 11, 2018.

Understanding CVE-2017-2905

Blender version 2.78c is affected by a critical vulnerability that allows attackers to exploit the bmp loading functionality, resulting in a buffer overflow and potential code execution within the application's context.

What is CVE-2017-2905?

The vulnerability in Blender version 2.78c allows for an integer overflow in the bmp loading feature.
Attackers can craft a malicious '.bmp' file to trigger the vulnerability.
Successful exploitation can lead to a buffer overflow, enabling the execution of arbitrary code.
User interaction is required to exploit this vulnerability, typically by manipulating the user into using the file as an asset via the sequencer.

The Impact of CVE-2017-2905

CVSS Base 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-2017-2905

Blender version 2.78c is susceptible to a buffer overflow vulnerability due to an integer overflow in the bmp loading functionality.

Vulnerability Description

An integer overflow in the bmp loading feature can trigger a buffer overflow.
This overflow allows for the execution of arbitrary code within the application's context.

Affected Systems and Versions

Product: Blender
Vendor: Blender
Version: v2.78c

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a specially designed '.bmp' file.
By convincing a user to use the file as an asset via the sequencer, the attacker can trigger the vulnerability.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-2905.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update software and applications to the latest secure versions.
Implement security awareness training to educate users about safe computing practices.

Patching and Updates

Stay informed about security updates and patches released by Blender.
Apply patches promptly to ensure the protection of systems and data.