CVE-2019-2214 : Exploit Details and Defense Strategies

Android kernel vulnerability allows local privilege escalation without additional execution privileges.

Understanding CVE-2019-2214

An out of bounds write issue in the binder_transaction function in binder.c can lead to local privilege escalation without requiring extra execution privileges.

What is CVE-2019-2214?

This CVE identifies a vulnerability in the Android kernel that can be exploited for local privilege escalation without the need for additional execution privileges. The issue exists in the binder_transaction function in binder.c.

The Impact of CVE-2019-2214

The vulnerability allows attackers to escalate privileges locally without requiring extra execution privileges.
Exploitation of this issue does not necessitate user interaction.

Technical Details of CVE-2019-2214

The technical details of the CVE-2019-2214 vulnerability are as follows:

Vulnerability Description

The vulnerability is an out of bounds write issue in the binder_transaction function in binder.c.
It can result in local privilege escalation without the need for additional execution privileges.

Affected Systems and Versions

Product: Android
Versions: Android kernel

Exploitation Mechanism

The vulnerability can be exploited without user interaction, allowing attackers to escalate privileges locally.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-2214:

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor vendor security bulletins for updates and follow recommended actions.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent vulnerabilities.
Implement the principle of least privilege to limit the impact of potential privilege escalation.

Patching and Updates

Keep the Android kernel and related software up to date with the latest security patches to address this vulnerability.