CVE-2019-14076 Explained : Impact and Mitigation

Buffer overflow vulnerability in various Qualcomm Snapdragon platforms

Understanding CVE-2019-14076

Buffer overflow vulnerability affecting multiple Qualcomm Snapdragon platforms

What is CVE-2019-14076?

Buffer overflow can occur in various Snapdragon platforms due to lack of validation of user input
Affected platforms include Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wired Infrastructure, and Networking

The Impact of CVE-2019-14076

Allows attackers to execute arbitrary code or cause a denial of service
Potential for unauthorized access to sensitive information

Technical Details of CVE-2019-14076

Buffer overflow vulnerability details

Vulnerability Description

Occurs when processing subsample data length beyond acceptable range
Arises from lack of validation of user input

Affected Systems and Versions

Platforms: APQ8009, APQ8098, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9650, MSM8905, MSM8909, MSM8998, Nicobar, QCS404, QCS405, QCS605, Rennell, SA415M, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

Exploitation Mechanism

Attackers exploit the lack of input validation to overflow buffers and execute malicious code

Mitigation and Prevention

Steps to mitigate the CVE-2019-14076 vulnerability

Immediate Steps to Take

Apply patches provided by Qualcomm
Implement input validation mechanisms
Monitor and restrict network traffic

Long-Term Security Practices

Regular security assessments and audits
Keep systems up to date with the latest security patches

Patching and Updates

Regularly check for and apply security updates from Qualcomm