CVE-2019-10546 Explained : Impact and Mitigation

A buffer overflow vulnerability in WLAN firmware across various Snapdragon platforms can lead to security issues.

Understanding CVE-2019-10546

This CVE involves a buffer overflow risk in WLAN firmware on multiple Qualcomm Snapdragon platforms.

What is CVE-2019-10546?

The vulnerability occurs during the processing of beacon and probe response frames while roaming on Snapdragon devices.

The Impact of CVE-2019-10546

The vulnerability affects a wide range of Snapdragon platforms, potentially allowing attackers to exploit the WLAN firmware.

Technical Details of CVE-2019-10546

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue arises due to a buffer overflow in WLAN firmware when handling beacon and probe response frames during roaming.

Affected Systems and Versions

Products: Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, Mobile, Wired Infrastructure, and Networking
Versions: APQ8096, APQ8096AU, IPQ6018, IPQ8074, MDM9607, MDM9640, MDM9650, MSM8996AU, Nicobar, QCA6174A, QCA6574, QCA6574AU, QCA6584, QCA6584AU, QCA8081, QCA9377, QCA9379, QCS404, QCS605, Rennell, SA6155P, SC8180X, SDA660, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to potentially execute arbitrary code or disrupt WLAN functionality.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-10546 vulnerability.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm promptly.
Monitor Qualcomm's security bulletins for further instructions.

Long-Term Security Practices

Regularly update firmware and software on affected devices.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and audits.

Patching and Updates

Ensure all affected devices receive the latest firmware updates from Qualcomm to mitigate the vulnerability.