CVE-2019-2007 : Vulnerability Insights and Analysis

Android versions 8.1 and 9 are affected by an integer overflow vulnerability in FifoControllerBase.cpp, potentially leading to local privilege escalation in the audio server without user interaction.

Understanding CVE-2019-2007

This CVE involves an out-of-bounds write issue in Android versions 8.1 and 9, allowing for local privilege escalation.

What is CVE-2019-2007?

The functions getReadIndex and getWriteIndex in FifoControllerBase.cpp may result in an integer overflow, leading to a potential out-of-bounds write. This could allow for local privilege escalation in the audio server without requiring any additional execution privileges. Exploitation does not require user interaction.

The Impact of CVE-2019-2007

The vulnerability could be exploited for local privilege escalation within the audio server on affected Android devices.

Technical Details of CVE-2019-2007

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue arises from an integer overflow in the getReadIndex and getWriteIndex functions of FifoControllerBase.cpp, potentially resulting in an out-of-bounds write.

Affected Systems and Versions

Android versions 8.1 and 9 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited locally to escalate privileges within the audio server without the need for additional execution privileges.

Mitigation and Prevention

Protecting systems from CVE-2019-2007 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor official sources for updates and advisories regarding this vulnerability.

Long-Term Security Practices

Regularly update and patch all software and firmware on Android devices.
Implement security best practices to prevent privilege escalation vulnerabilities.

Patching and Updates

Ensure that Android devices running versions 8.1 and 9 are updated with the latest security patches to mitigate the CVE-2019-2007 vulnerability.