CVE-2019-6170 : What You Need to Know
Learn about CVE-2019-6170, a vulnerability in Lenovo ThinkPad models that could lead to arbitrary code execution. Find mitigation steps and update recommendations here.
A potential weakness in the SMI callback function in the Legacy USB driver on certain Lenovo ThinkPad models could lead to arbitrary code execution.
Understanding CVE-2019-6170
Arbitrary code execution may be possible due to a vulnerability in the SMI callback function used in the Legacy USB driver on specific Lenovo ThinkPad models.
What is CVE-2019-6170?
This CVE identifies a potential weakness in the SMI callback function employed in the Legacy USB driver on certain Lenovo ThinkPad models, which could allow for arbitrary code execution.
The Impact of CVE-2019-6170
The vulnerability poses a medium severity risk with a CVSS base score of 6.4. It could result in high impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2019-6170
Vulnerability Description
Arbitrary code execution might be possible due to a potential weakness in the SMI callback function employed in the Legacy USB driver on certain Lenovo ThinkPad models.
Affected Systems and Versions
- Affected Product: ThinkPad
- Vendor: Lenovo
- Versions: Various
Exploitation Mechanism
The vulnerability arises from the Legacy USB driver utilizing the boot services structure during the runtime phase on specific Lenovo ThinkPad models.
Mitigation and Prevention
Immediate Steps to Take
- Update BIOS to the latest version as indicated in Lenovo's security advisory.
Long-Term Security Practices
- Regularly monitor vendor security advisories for updates.
- Implement strong access controls and network segmentation.
Patching and Updates
Ensure timely installation of security patches and updates provided by Lenovo.