CVE-2019-14089 : Exploit Details and Defense Strategies

Snapdragon platforms by Qualcomm, Inc. are affected by a key management error allowing re-provisioning of keymaster attestation keys and device IDs post user data erase or factory reset.

Understanding CVE-2019-14089

This CVE involves incorrect keymaster attestation key and device ID re-provisioning in various Snapdragon platforms.

What is CVE-2019-14089?

The vulnerability allows re-provisioning of keymaster attestation keys and device IDs after user data erase or factory reset, contrary to the one-time initial provisioning requirement.

The Impact of CVE-2019-14089

The incorrect re-provisioning can lead to security risks and compromise the confidentiality and integrity of the keymaster attestation keys and device IDs.

Technical Details of CVE-2019-14089

Qualcomm's Snapdragon platforms are affected by this vulnerability.

Vulnerability Description

The flaw allows re-provisioning of keymaster attestation keys and device IDs after user data erase or factory reset, which should only occur during the initial provisioning process.

Affected Systems and Versions

Products: Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wired Infrastructure and Networking
Versions: Kamorta, Nicobar, QCS404, QCS610, Rennell, SA515M, SA6155P, SC7180, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Exploitation Mechanism

The vulnerability arises from an incorrect allowance for re-provisioning of keymaster attestation keys and device IDs post user data erase or factory reset.

Mitigation and Prevention

Immediate Steps to Take:

Apply patches provided by Qualcomm to address the vulnerability
Monitor for any unauthorized re-provisioning activities

Long-Term Security Practices:

Implement secure key management practices
Regularly review and update security policies

Patching and Updates:

Install the latest firmware updates and security patches from Qualcomm to mitigate the vulnerability.