CVE-2017-18125 : What You Need to Know

Android devices with a security patch level prior to 2018-04-05, specifically on Qualcomm Snapdragon Mobile and Snapdragon Wear, are affected by a vulnerability related to the secure camera feature.

Understanding CVE-2017-18125

This CVE involves improper input validation in TrustZone on Qualcomm Snapdragon Mobile and Snapdragon Wear devices.

What is CVE-2017-18125?

CVE-2017-18125 is a vulnerability that affects Qualcomm Snapdragon Mobile and Snapdragon Wear devices, allowing the reuse of protected buffers containing previously captured data during subsequent camera sessions.

The Impact of CVE-2017-18125

The vulnerability could lead to the exposure of sensitive data captured during previous camera sessions, compromising user privacy and security.

Technical Details of CVE-2017-18125

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The secure camera feature on affected Qualcomm devices may reuse protected buffers with previously captured data, potentially exposing sensitive information.

Affected Systems and Versions

Products: Snapdragon Mobile, Snapdragon Wear
Vendor: Qualcomm, Inc.
Versions: MDM9206, MDM9607, MDM9650, SD 210/SD 212/SD 205, SD 835, SD 845, SD 850

Exploitation Mechanism

The High-Level Operating System (HLOS) may incorrectly reuse protected buffers, leading to the exposure of data from previous camera sessions.

Mitigation and Prevention

Protecting devices from CVE-2017-18125 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update devices to the latest security patch level to mitigate the vulnerability.
Monitor for any unusual camera behavior that could indicate data reuse.

Long-Term Security Practices

Regularly update device firmware and security patches.
Implement secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Qualcomm and device manufacturers may release patches to address the vulnerability.