CVE-2019-9446 Explained : Impact and Mitigation

Android kernel's FingerTipS touchscreen driver is vulnerable to an out-of-bounds write issue due to inadequate input validation, potentially leading to local privilege escalation.

Understanding CVE-2019-9446

The vulnerability allows attackers to escalate privileges without user interaction.

What is CVE-2019-9446?

The FingerTipS touchscreen driver in the Android kernel has an out-of-bounds write vulnerability due to insufficient input validation.

The Impact of CVE-2019-9446

Local privilege escalation is possible with System execution privileges required.
Exploitation does not rely on user interaction.

Technical Details of CVE-2019-9446

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The Android kernel's FingerTipS touchscreen driver is susceptible to an out-of-bounds write due to improper input validation.

Affected Systems and Versions

Product: Android
Version: Android kernel

Exploitation Mechanism

Attackers can exploit the vulnerability for local privilege escalation without the need for user interaction.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-9446 vulnerability:

Immediate Steps to Take

Apply security patches promptly.
Monitor for any signs of unauthorized privilege escalation.

Long-Term Security Practices

Regularly update and patch all software components.
Implement least privilege access controls to limit potential damage.

Patching and Updates

Stay informed about security bulletins and updates from Android to address vulnerabilities promptly.