CVE-2019-14353 : Security Advisory and Response

A vulnerability related to the row-based OLED display of Trezor One devices prior to version 1.8.2 has been discovered, allowing for the partial retrieval of display contents by analyzing power consumption.

Understanding CVE-2019-14353

This CVE pertains to a specific vulnerability in the OLED display of Trezor One devices.

What is CVE-2019-14353?

The vulnerability allows attackers to partially retrieve display contents by monitoring power consumption during the display of confidential information.

The Impact of CVE-2019-14353

Attackers can potentially access sensitive data like PIN and BIP39 mnemonic displayed on Trezor One devices.
The vulnerability is specific to Trezor One devices and does not affect other devices with OLED displays.

Technical Details of CVE-2019-14353

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability is related to the row-based OLED display of Trezor One devices.
It enables attackers to analyze power consumption to retrieve confidential information.

Affected Systems and Versions

Trezor One devices before version 1.8.2 are vulnerable to this exploit.

Exploitation Mechanism

Attackers need control over the device's USB connection to measure power consumption during the display of sensitive data.

Mitigation and Prevention

Protective measures to address the CVE-2019-14353 vulnerability.

Immediate Steps to Take

Update Trezor One devices to version 1.8.2 or later to mitigate the vulnerability.
Avoid displaying sensitive information on potentially compromised devices.

Long-Term Security Practices

Implement physical security measures to prevent unauthorized access to devices.
Regularly monitor and update device firmware to address security flaws.

Patching and Updates

Stay informed about security updates from Trezor and promptly apply patches to secure devices.