CVE-2018-16267 : Vulnerability Insights and Analysis
Learn about CVE-2018-16267 affecting Tizen's system-popup service, allowing unauthorized processes to perform system tasks. Find mitigation steps and affected versions here.
Tizen's system-popup system service allows unprivileged processes to perform various system tasks due to incorrect D-Bus security policy configurations. This vulnerability affects Tizen versions before 5.0 M1 and Tizen-based firmwares like Samsung Galaxy Gear series before build RE2.
Understanding CVE-2018-16267
The system-popup service in Tizen has a security vulnerability that enables unauthorized processes to execute system actions.
What is CVE-2018-16267?
The system-popup system service in Tizen allows an unprivileged process to carry out various popup-related system tasks due to incorrect D-Bus security policy configurations. This includes actions like initiating the system poweroff menu and displaying popups with any desired text.
The Impact of CVE-2018-16267
This vulnerability affects Tizen versions before 5.0 M1 and Tizen-based firmwares such as Samsung Galaxy Gear series before build RE2. It could potentially allow unauthorized access to system functions and compromise device security.
Technical Details of CVE-2018-16267
The technical aspects of the CVE-2018-16267 vulnerability are as follows:
Vulnerability Description
The system-popup service in Tizen allows unprivileged processes to perform system actions due to incorrect D-Bus security policy configurations.
Affected Systems and Versions
- Tizen versions before 5.0 M1
- Tizen-based firmwares like Samsung Galaxy Gear series before build RE2
Exploitation Mechanism
The vulnerability arises from improper D-Bus security policy configurations, enabling unauthorized processes to execute system tasks.
Mitigation and Prevention
To address CVE-2018-16267, consider the following mitigation strategies:
Immediate Steps to Take
- Update Tizen to version 5.0 M1 or later to patch the vulnerability
- Monitor system activities for any suspicious behavior
Long-Term Security Practices
- Regularly update Tizen and firmware to the latest versions
- Implement proper D-Bus security policies to restrict unauthorized access
Patching and Updates
- Apply security patches provided by Tizen to fix the vulnerability