CVE-2020-3678 : Security Advisory and Response

A buffer overflow vulnerability affecting multiple Qualcomm Snapdragon products.

Understanding CVE-2020-3678

What is CVE-2020-3678?

A buffer overflow vulnerability in Qualcomm Snapdragon products due to improper API usage.

The Impact of CVE-2020-3678

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

Technical Details of CVE-2020-3678

Vulnerability Description

The vulnerability arises from a buffer overflow when the UIE init API lacks buffer size validation.

Affected Systems and Versions

Products: Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
Versions: Agatti, Kamorta, QCS404, QCS605, SDA845, SDM670, SDM710, SDM845, SXR1130

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating input to trigger the buffer overflow.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm promptly.
Monitor vendor's security bulletins for updates.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Implement secure coding practices to prevent buffer overflow vulnerabilities.

Patching and Updates

Regularly check for security updates and apply patches to mitigate the CVE-2020-3678 vulnerability.