CVE-2019-16398 : Security Advisory and Response

Remote code execution vulnerability on Keeper K5 20.1.0.25 and 20.1.0.63 devices via malicious SD card insertion.

Understanding CVE-2019-16398

This CVE involves a critical vulnerability that allows remote code execution on specific Keeper K5 devices.

What is CVE-2019-16398?

The vulnerability enables an attacker to execute arbitrary code by inserting a specially crafted SD card with a specific file name.
The file named "zskj_script_run.sh" triggers the execution of a reverse shell, providing unauthorized access to the device.

The Impact of CVE-2019-16398

Attackers can exploit this vulnerability to gain unauthorized access to affected devices, potentially leading to data theft, device control, or further network compromise.

Technical Details of CVE-2019-16398

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Remote code execution vulnerability on Keeper K5 20.1.0.25 and 20.1.0.63 devices through the insertion of a malicious SD card.

Affected Systems and Versions

Keeper K5 devices running versions 20.1.0.25 and 20.1.0.63 are impacted by this vulnerability.

Exploitation Mechanism

Inserting an SD card with the file name "zskj_script_run.sh" triggers the execution of a reverse shell, allowing attackers to take control of the device.

Mitigation and Prevention

Protecting systems from CVE-2019-16398 requires immediate actions and long-term security practices.

Immediate Steps to Take

Avoid inserting unknown or untrusted SD cards into Keeper K5 devices.
Implement network segmentation to limit the impact of potential breaches.

Long-Term Security Practices

Regularly update device firmware to patch known vulnerabilities.
Conduct security audits to identify and address potential weaknesses in device security.

Patching and Updates

Apply security patches provided by the device manufacturer to mitigate the vulnerability and enhance overall device security.