CVE-2019-2283 : Security Advisory and Response

A vulnerability in Qualcomm products could allow an attacker to access out-of-bounds memory, potentially leading to security breaches.

Understanding CVE-2019-2283

What is CVE-2019-2283?

The vulnerability stems from a failure to properly validate the read and write index of tx and rx fifo's in various Qualcomm products, potentially resulting in out-of-bounds access.

The Impact of CVE-2019-2283

If exploited, this vulnerability could allow malicious actors to access sensitive information or execute arbitrary code on affected devices, posing a significant security risk.

Technical Details of CVE-2019-2283

Vulnerability Description

The issue lies in the improper validation of the read and write index of tx and rx fifo's before calculating the pointer, which could lead to out-of-bound access in a wide range of Qualcomm products.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Versions: MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, 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 can be exploited by manipulating the read and write index of tx and rx fifo's to access memory locations beyond the intended boundaries, potentially leading to unauthorized access or system compromise.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability.
Monitor official sources for security advisories and updates related to the affected products.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security fixes are in place.
Implement network segmentation and access controls to limit the impact of potential security breaches.

Patching and Updates

It is crucial to promptly apply security patches released by Qualcomm to mitigate the risk of exploitation and enhance the overall security posture of the affected systems.