CVE-2018-3593 : Security Advisory and Response

Android devices with Qualcomm Snapdragon processors are at risk of encountering a double free condition due to a security vulnerability.

Understanding CVE-2018-3593

This CVE affects Qualcomm Snapdragon Automobile, Snapdragon Mobile, and Snapdragon Wear devices.

What is CVE-2018-3593?

CVE-2018-3593 is a vulnerability in Qualcomm Snapdragon processors that can lead to a double free condition when repeatedly enabling or disabling eMBMS requests on affected Android devices.

The Impact of CVE-2018-3593

The vulnerability poses a security risk to devices running Qualcomm Snapdragon processors, potentially allowing attackers to exploit the double free condition.

Technical Details of CVE-2018-3593

Qualcomm Snapdragon processors are affected by this vulnerability.

Vulnerability Description

The issue arises when devices with Qualcomm Snapdragon processors have a security patch level earlier than 2018-04-05, leading to a double free condition during eMBMS request toggling.

Affected Systems and Versions

Products: Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear
Vendor: Qualcomm, Inc.
Versions: MDM9206, MDM9607, MDM9650, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 808, SD 810, SD 820, SD 820A, SD 835, SD 845

Exploitation Mechanism

The vulnerability can be exploited by manipulating eMBMS requests on affected devices, potentially leading to a double free condition.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-3593 vulnerability.

Immediate Steps to Take

Update devices to a security patch level equal to or later than 2018-04-05.
Monitor for any unusual eMBMS request activities.

Long-Term Security Practices

Regularly update devices with the latest security patches.
Implement security best practices to mitigate similar vulnerabilities.

Patching and Updates

Apply security patches provided by Qualcomm and device manufacturers to address the vulnerability.