CVE-2017-2900 : What You Need to Know

Blender version 2.78c is affected by a vulnerability in its PNG loading feature, allowing attackers to trigger a buffer overflow through a specially crafted '.png' file.

Understanding CVE-2017-2900

Blender 3D creation suite version 2.78c is susceptible to an integer overflow in its PNG loading functionality, potentially leading to code execution.

What is CVE-2017-2900?

The vulnerability in Blender version 2.78c enables attackers to exploit an integer overflow in the PNG loading feature, resulting in a buffer overflow.
Attackers can achieve potential code execution within the application by persuading users to use a malicious '.png' file via the sequencer.

The Impact of CVE-2017-2900

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-2017-2900

Blender's vulnerability in version 2.78c involves a critical buffer overflow issue that can be exploited by malicious actors.

Vulnerability Description

An integer overflow in the PNG loading functionality of Blender version 2.78c allows for a buffer overflow, potentially leading to code execution.

Affected Systems and Versions

Affected Product: Blender
Affected Version: v2.78c

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious '.png' file to trigger the buffer overflow, ultimately gaining the ability to execute code within the application.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2017-2900.

Immediate Steps to Take

Update Blender to a patched version that addresses the vulnerability.
Avoid opening or using suspicious '.png' files from untrusted sources.

Long-Term Security Practices

Regularly update software and applications to the latest secure versions.
Educate users on safe file handling practices to prevent exploitation of vulnerabilities.

Patching and Updates

Stay informed about security advisories and patches released by Blender to address known vulnerabilities.