CVE-2017-11046 Explained : Impact and Mitigation

Android for MSM, Firefox OS for MSM, QRD Android, and CAF Android releases using the Linux kernel are susceptible to a kernel out-of-bounds write when an audio driver ioctl handler is triggered.

Understanding CVE-2017-11046

This CVE involves a potential kernel out-of-bounds write triggered by an audio driver ioctl handler in various Android platforms.

What is CVE-2017-11046?

CVE-2017-11046 refers to a vulnerability in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF that utilize the Linux kernel. It can lead to a kernel out-of-bounds write when an audio driver ioctl handler is invoked.

The Impact of CVE-2017-11046

The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by triggering the out-of-bounds write in the kernel.

Technical Details of CVE-2017-11046

This section provides more technical insights into the CVE.

Vulnerability Description

When the audio driver ioctl handler is called in the mentioned Android platforms, a kernel out-of-bounds write may occur, potentially leading to security breaches.

Affected Systems and Versions

Android for MSM
Firefox OS for MSM
QRD Android
All Android releases from CAF using the Linux kernel

Exploitation Mechanism

The vulnerability is exploited by invoking the audio driver ioctl handler, triggering the out-of-bounds write in the kernel.

Mitigation and Prevention

Protecting systems from CVE-2017-11046 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the respective vendors promptly.
Monitor vendor security bulletins for updates and mitigation strategies.

Long-Term Security Practices

Implement the principle of least privilege to restrict access rights for users and processes.
Regularly update and patch systems to address known vulnerabilities.

Patching and Updates

Regularly check for security updates and patches from Android, Qualcomm, and other relevant vendors to mitigate the risk of exploitation.