CVE-2019-18619 : Exploit Details and Defense Strategies

The synaTee component of Synaptics WBF drivers, before version 2019-11-15, has a vulnerability due to incorrect parameter validation. This flaw can be exploited by a local user to execute unauthorized code within the enclave, potentially compromising the confidentiality of enclave data.

Understanding CVE-2019-18619

This CVE involves a security vulnerability in the synaTee component of Synaptics WBF drivers.

What is CVE-2019-18619?

The vulnerability arises from incorrect parameter validation in the synaTee component of Synaptics WBF drivers, allowing a local user to execute unauthorized code within the enclave.

The Impact of CVE-2019-18619

Exploiting this vulnerability can compromise the confidentiality of enclave data by passing invalid pointers through APIs.

Technical Details of CVE-2019-18619

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the synaTee component of Synaptics WBF drivers enables a local user to execute arbitrary code within the enclave by passing invalid pointers through APIs.

Affected Systems and Versions

The vulnerability affects Synaptics WBF drivers before version 2019-11-15.

Exploitation Mechanism

Local users can exploit this vulnerability to execute unauthorized code within the enclave, potentially compromising enclave data confidentiality.

Mitigation and Prevention

Protecting systems from CVE-2019-18619 requires specific actions.

Immediate Steps to Take

Update Synaptics WBF drivers to version 2019-11-15 or later to mitigate the vulnerability.
Monitor and restrict access to sensitive enclave data.

Long-Term Security Practices

Regularly update and patch all software components to prevent security vulnerabilities.
Implement least privilege access controls to limit the impact of potential exploits.

Patching and Updates

Stay informed about security advisories and updates from Synaptics to address vulnerabilities promptly.