CVE-2019-14026 Explained : Impact and Mitigation

A potential buffer overflow vulnerability in the WLAN WMI handler affecting various Qualcomm Snapdragon platforms.

Understanding CVE-2019-14026

What is CVE-2019-14026?

This CVE identifies a buffer overflow vulnerability in the WLAN WMI handler present in multiple Qualcomm Snapdragon platforms.

The Impact of CVE-2019-14026

The vulnerability could allow attackers to execute arbitrary code or cause a denial of service by exploiting the buffer overflow in the WLAN WMI handler.

Technical Details of CVE-2019-14026

Vulnerability Description

The vulnerability arises due to the absence of a proper length check for ssid data during data copying in the WLAN WMI handler.

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and more
Versions: APQ8009, APQ8017, APQ8053, and a wide range of other chipsets

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted ssid data, triggering a buffer overflow in the WLAN WMI handler.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability
Monitor for any unusual network activity that could indicate exploitation

Long-Term Security Practices

Regularly update firmware and software to protect against known vulnerabilities
Implement network segmentation to limit the impact of potential attacks

Patching and Updates

Qualcomm has released patches to fix the buffer overflow vulnerability in the WLAN WMI handler