CVE-2020-6103 : Security Advisory and Response

An exploitable code execution vulnerability exists in the Shader functionality of AMD Radeon DirectX 11 Driver atidxx64.dll 26.20.15019.19000. An attacker can provide a specially crafted shader file to trigger this vulnerability, leading to code execution.

Understanding CVE-2020-6103

This CVE involves an out-of-bounds write vulnerability in the AMD Radeon DirectX 11 Driver.

What is CVE-2020-6103?

The vulnerability allows an attacker to execute arbitrary code by exploiting the Shader functionality of the driver.
Attack vectors include specially crafted shader files and potential exploitation through web browsers.

The Impact of CVE-2020-6103

Successful exploitation can result in code execution on the affected system.
The vulnerability can be triggered from a HYPER-V guest using the RemoteFX feature or potentially from web browsers.

Technical Details of CVE-2020-6103

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

Type: Out-of-bounds Write
Location: AMD Radeon DirectX 11 Driver atidxx64.dll 26.20.15019.19000
Exploitation: Attacker provides a specially crafted shader file.

Affected Systems and Versions

Product: AMD
Version: AMD Radeon DirectX 11 Driver atidxx64.dll 26.20.15019.19000

Exploitation Mechanism

Attackers can trigger the vulnerability by providing a malicious shader file.
The vulnerability can also be exploited through web browsers using webGL and webassembly.

Mitigation and Prevention

Protecting systems from CVE-2020-6103 requires immediate action and long-term security measures.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Monitor for any unusual shader file activities.
Consider restricting access to vulnerable systems.

Long-Term Security Practices

Regularly update graphics drivers to the latest versions.
Implement strong web browser security measures.

Patching and Updates

Check for and apply patches released by AMD to address the vulnerability.