CVE-2019-2293 : Security Advisory and Response

This CVE involves a pointer dereference issue in Qualcomm Snapdragon processors, potentially leading to a Use After Free vulnerability in the camera.

Understanding CVE-2019-2293

What is CVE-2019-2293?

The vulnerability arises from a lack of length check of the in port resource in various Qualcomm Snapdragon products, which can result in a pointer dereference issue when freeing IFE resources.

The Impact of CVE-2019-2293

The vulnerability can be exploited to trigger a Use After Free condition in the camera, potentially leading to unauthorized access or control of the affected devices.

Technical Details of CVE-2019-2293

Vulnerability Description

The lack of a length check of the in port resource in Qualcomm Snapdragon processors can lead to a pointer dereference issue during the freeing of IFE resources.

Affected Systems and Versions

Affected Products: Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Affected Versions: MSM8909W, QCS405, QCS605, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 845 / SD 850, SD 855, SDM630, SDM660, SDX24

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to manipulate IFE resources, potentially leading to a Use After Free condition in the camera.

Mitigation and Prevention

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update firmware and software on affected devices.
Implement network segmentation and access controls to limit exposure to potential attacks.

Patching and Updates

Ensure that all affected devices are updated with the latest firmware and security patches from Qualcomm.