CVE-2019-9471 Explained : Impact and Mitigation

A potential vulnerability has been identified in the function set_outbound_iatu() found in abc-pcie.c, leading to an out of bounds write in the Android kernel. This vulnerability could allow a local attacker to escalate privileges without user interaction.

Understanding CVE-2019-9471

This CVE involves an elevation of privilege vulnerability in the Android kernel.

What is CVE-2019-9471?

CVE-2019-9471 is a vulnerability in the set_outbound_iatu function of abc-pcie.c, allowing for an out of bounds write in the Android kernel. It has been assigned the Android ID A-144168326.

The Impact of CVE-2019-9471

The vulnerability could enable a local attacker to escalate their privileges to a system level without requiring any user interaction.

Technical Details of CVE-2019-9471

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability arises from a lack of proper bounds checking in the set_outbound_iatu() function, potentially leading to an out of bounds write.

Affected Systems and Versions

Product: Android
Versions: Android kernel

Exploitation Mechanism

The exploitation of this vulnerability could allow a local attacker to escalate their privileges to a system level without user interaction.

Mitigation and Prevention

Protecting systems from CVE-2019-9471 requires immediate action and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor vendor security bulletins for updates.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access.
Regularly update and patch systems to address known vulnerabilities.
Conduct security training for users to recognize and report suspicious activities.
Employ network segmentation to limit the impact of potential breaches.

Patching and Updates

Regularly check for security updates and patches from the vendor to mitigate the risk of exploitation.