CVE-2019-2306 Explained : Impact and Mitigation

A buffer over-read issue in the display function of various Qualcomm processors can lead to reading beyond boundaries, affecting multiple Snapdragon products and processor models.

Understanding CVE-2019-2306

This CVE involves incorrect buffer handling in Qualcomm processors, potentially resulting in security vulnerabilities.

What is CVE-2019-2306?

Improper buffer handling in the display function of Qualcomm processors may allow unauthorized access to sensitive data.

The Impact of CVE-2019-2306

The vulnerability could be exploited to read beyond the intended boundaries, potentially leading to unauthorized access to critical information stored in affected devices.

Technical Details of CVE-2019-2306

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The issue arises from incorrect buffer handling during structure casting, allowing unauthorized access to data in the display function of Qualcomm processors.

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IoT, Snapdragon Industrial IoT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Processor Models: MDM9150, MDM9206, MDM9607, MDM9650, MSM8909W, MSM8996AU, QCS405, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20

Exploitation Mechanism

The vulnerability is exploited by manipulating the buffer handling process to read beyond the intended boundaries, potentially accessing sensitive data.

Mitigation and Prevention

Protecting systems from CVE-2019-2306 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor for any unusual activities on affected devices.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update software and firmware to address security vulnerabilities.
Conduct security audits and assessments to identify and mitigate potential risks.
Educate users on safe computing practices to prevent exploitation of vulnerabilities.

Patching and Updates

Qualcomm may release patches to address the buffer over-read issue in affected processors.
Stay informed about security bulletins and updates from Qualcomm to apply necessary patches promptly.