CVE-2017-3753 : Security Advisory and Response
Learn about CVE-2017-3753 affecting Lenovo products using UEFI (BIOS) code by American Megatrends, allowing attackers to execute custom code and bypass system safeguards.
Certain Lenovo products utilizing UEFI (BIOS) code developed by American Megatrends, Inc. (AMI) have been found to contain a security flaw that allows an individual with administrative privileges or physical access to potentially execute custom code, bypassing system safeguards like Device Guard and Hyper-V.
Understanding CVE-2017-3753
This CVE involves a vulnerability in Lenovo products that use UEFI (BIOS) code, potentially enabling attackers to run specially crafted code.
What is CVE-2017-3753?
The CVE-2017-3753 vulnerability in Lenovo products allows attackers with administrative privileges or physical access to execute custom code, evading system protections.
The Impact of CVE-2017-3753
The vulnerability poses a significant security risk as it enables attackers to bypass system safeguards like Device Guard and Hyper-V, compromising system integrity.
Technical Details of CVE-2017-3753
This section provides detailed technical information about the CVE-2017-3753 vulnerability.
Vulnerability Description
The vulnerability in Lenovo products using UEFI (BIOS) code by American Megatrends, Inc. allows attackers to execute custom code with administrative privileges or physical access.
Affected Systems and Versions
- Affected Product: Desktop and Notebook BIOS
- Vendor: Lenovo Group Ltd.
- Affected Versions: Various
Exploitation Mechanism
Attackers with administrative privileges or physical access can exploit the vulnerability to execute custom code, bypassing system safeguards.
Mitigation and Prevention
Protecting systems from CVE-2017-3753 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Lenovo promptly.
- Restrict physical access to systems to authorized personnel only.
Long-Term Security Practices
- Regularly update BIOS firmware to the latest version.
- Implement strong access controls and user privilege management.
Patching and Updates
- Stay informed about security updates from Lenovo for BIOS firmware.
- Regularly check for and apply patches to mitigate the vulnerability.