CVE-2020-6100 : What You Need to Know
Learn about CVE-2020-6100, a critical memory corruption vulnerability in AMD atidxx64.dll 26.20.15019.19000 graphics driver. Understand the impact, affected systems, and mitigation steps.
An exploitable memory corruption vulnerability exists in AMD atidxx64.dll 26.20.15019.19000 graphics driver, allowing attackers to trigger memory corruption through a specially crafted pixel shader.
Understanding CVE-2020-6100
This CVE involves a critical vulnerability in AMD graphics driver that can be exploited through specially crafted shader files.
What is CVE-2020-6100?
The vulnerability in AMD atidxx64.dll 26.20.15019.19000 graphics driver allows attackers to corrupt memory using a specially crafted pixel shader, potentially leading to guest-to-host escape in virtualization environments.
The Impact of CVE-2020-6100
- Attackers can exploit this vulnerability to execute arbitrary code on the host system from a guest machine in virtualization environments like VMware, qemu, and VirtualBox.
- The vulnerability could also be triggered through web browsers using webGL and webassembly.
- Demonstrated exploitation from HYPER-V guest using RemoteFX feature to execute malicious code on the HYPER-V host.
Technical Details of CVE-2020-6100
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- Type: Out of bounds write
- Description: Memory corruption vulnerability in AMD atidxx64.dll 26.20.15019.19000 graphics driver.
Affected Systems and Versions
- Product: AMD
- Version: AMD atidxx64.dll (26.20.15019.19000)
Exploitation Mechanism
- Attackers can exploit the vulnerability by providing a specially crafted shader file to trigger memory corruption.
Mitigation and Prevention
Protect your systems from CVE-2020-6100 with the following steps:
Immediate Steps to Take
- Apply security patches provided by AMD promptly.
- Monitor for any unusual shader file activities.
- Restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update graphics drivers and software.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security updates from AMD and apply them as soon as they are available.