CVE-2019-12777 : Vulnerability Insights and Analysis

A vulnerability was discovered on the ENTTEC Datagate MK2, Storm 24, Pixelator, and E-Streamer MK2 devices running firmware version 70044_update_05032019-482, allowing insecure directory permissions that can be accessed by all users.

Understanding CVE-2019-12777

This CVE identifies a security issue in ENTTEC devices that could compromise the integrity of directory permissions.

What is CVE-2019-12777?

The vulnerability in ENTTEC devices running specific firmware versions allows all users to have unrestricted read, write, and execute permissions on critical directories.

The Impact of CVE-2019-12777

The vulnerability poses a significant security risk as it exposes sensitive directories to unauthorized access and potential malicious activities.

Technical Details of CVE-2019-12777

ENTTEC devices with firmware version 70044_update_05032019-482 are affected by this vulnerability.

Vulnerability Description

The devices replace secure directory permissions with insecure ones, allowing all users to have full control over critical directories.

Affected Systems and Versions

ENTTEC Datagate MK2, Storm 24, Pixelator, and E-Streamer MK2 devices
Firmware version 70044_update_05032019-482

Exploitation Mechanism

The vulnerability arises from the firmware startup script that grants all users read, write, and execute permissions on essential directories.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Restrict access to affected devices and directories
Monitor for any unauthorized access or changes

Long-Term Security Practices

Regularly update firmware to patched versions
Implement least privilege access controls

Patching and Updates

Apply firmware updates provided by ENTTEC to address the directory permission issue