CVE-2019-2299 : Exploit Details and Defense Strategies

A specifically crafted command from a userspace application can trigger an out-of-bound write vulnerability in various Qualcomm chipsets.

Understanding CVE-2019-2299

What is CVE-2019-2299?

An out-of-bound write vulnerability can be exploited by a specially-crafted command provided by a userspace application in multiple Qualcomm chipsets.

The Impact of CVE-2019-2299

This vulnerability affects a wide range of Qualcomm chipsets used in various devices, potentially leading to unauthorized access or system compromise.

Technical Details of CVE-2019-2299

Vulnerability Description

The vulnerability allows for an out-of-bound write triggered by a specific command from a userspace application.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
Versions: IPQ4019, IPQ8064, IPQ8074, MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6574AU, QCA8081, QCA9377, QCA9379, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDM660, SDX20, SDX24

Exploitation Mechanism

The vulnerability can be exploited by executing a specially-crafted command from a userspace application, potentially leading to an out-of-bound write.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability.
Monitor vendor's security bulletins for updates and advisories.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Implement proper access controls and security measures to prevent unauthorized access.

Patching and Updates

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