CVE-2019-2325 : What You Need to Know

A vulnerability in various Qualcomm Snapdragon platforms could allow unauthorized access beyond array boundaries.

Understanding CVE-2019-2325

What is CVE-2019-2325?

The issue arises when a token obtained from ADSP is used as an array index in multiple Snapdragon platforms, potentially leading to unauthorized access.

The Impact of CVE-2019-2325

The vulnerability could result in unauthorized access beyond the boundaries of the array due to the improper use of the token without validation.

Technical Details of CVE-2019-2325

Vulnerability Description

The vulnerability involves improper validation of array index in the audio driver of Qualcomm Snapdragon platforms.

Affected Systems and Versions

Affected Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Affected Versions: MDM9150, MDM9206, MDM9607, MDM9640, 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, SDX24

Exploitation Mechanism

The vulnerability is exploited by using a token from ADSP as an array index without proper validation, allowing unauthorized access.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability.
Monitor Qualcomm's security advisories for updates and follow recommended actions.

Long-Term Security Practices

Regularly update software and firmware on affected devices.
Implement proper input validation mechanisms to prevent similar vulnerabilities.

Patching and Updates

Install security patches and updates released by Qualcomm to mitigate the vulnerability.