CVE-2017-15849 : Exploit Details and Defense Strategies

Android for MSM, Firefox OS for MSM, and QRD Android, along with all Android releases from CAF using the Linux kernel, are affected by a Use After Free vulnerability.

Understanding CVE-2017-15849

A Use After Free condition may occur in Android for MSM, Firefox OS for MSM, and QRD Android, along with all Android releases from CAF that utilize the Linux kernel. This can happen when an application destroys a LayerStack between the Validate and Commit stages.

What is CVE-2017-15849?

This CVE identifies a Use After Free vulnerability in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel. The issue arises when an application destroys a LayerStack during the Validate and Commit stages.

The Impact of CVE-2017-15849

The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the Use After Free condition in the affected systems.

Technical Details of CVE-2017-15849

Android for MSM, Firefox OS for MSM, and QRD Android, along with all Android releases from CAF using the Linux kernel, are susceptible to this vulnerability.

Vulnerability Description

A Use After Free condition can occur when an application destroys a LayerStack between the Validate and Commit stages, leading to potential security risks.

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

The vulnerability can be exploited when an application manipulates the LayerStack during specific stages, allowing for unauthorized code execution or service disruption.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-15849.

Immediate Steps to Take

Apply security patches provided by Qualcomm or relevant vendors promptly.
Monitor for any unusual activities or unauthorized access on affected systems.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm and other relevant sources.
Ensure timely deployment of patches to secure the affected systems.