CVE-2018-3579 : Exploit Details and Defense Strategies

Android for MSM, Firefox OS for MSM, and QRD Android devices by Qualcomm are affected by a WLAN driver vulnerability that can lead to a buffer over-read.

Understanding CVE-2018-3579

This CVE involves a lack of proper validation in the WLAN driver of various Android releases from CAF, potentially resulting in a buffer over-read.

What is CVE-2018-3579?

The WLAN driver in Android for MSM, Firefox OS for MSM, and QRD Android devices uses the Linux Kernel. A specific variable within this driver lacks proper validation, allowing for a buffer over-read due to a value received from the firmware.

The Impact of CVE-2018-3579

The vulnerability can be exploited to trigger a buffer over-read, potentially leading to information disclosure or system crashes.

Technical Details of CVE-2018-3579

The technical aspects of this CVE include:

Vulnerability Description

Lack of proper validation in the WLAN driver
Specific variable 'event->num_entries_in_page' not validated

Affected Systems and Versions

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

Exploitation Mechanism

Exploitation involves manipulating the value received from the firmware to trigger a buffer over-read

Mitigation and Prevention

To address CVE-2018-3579, consider the following:

Immediate Steps to Take

Apply patches provided by Qualcomm or the respective device manufacturers
Monitor vendor security bulletins for updates

Long-Term Security Practices

Regularly update device firmware and software
Implement network segmentation to limit the impact of potential attacks

Patching and Updates

Stay informed about security updates from Qualcomm and apply them promptly