CVE-2018-16263 : Security Advisory and Response
Learn about CVE-2018-16263, a vulnerability in Tizen's PulseAudio system service allowing unauthorized manipulation of the A2DP MediaEndpoint. Find out the impacted systems, exploitation mechanism, and mitigation steps.
A vulnerability in Tizen's PulseAudio system service allows unauthorized manipulation of the A2DP MediaEndpoint, affecting Tizen versions before 5.0 M1 and Samsung Galaxy Gear series before build RE2.
Understanding CVE-2018-16263
This CVE involves an improper configuration of D-Bus security policy settings in Tizen's PulseAudio system service, enabling unprivileged processes to control the A2DP MediaEndpoint.
What is CVE-2018-16263?
The vulnerability in Tizen's PulseAudio system service permits unauthorized processes to manipulate the A2DP MediaEndpoint due to misconfigured D-Bus security policies.
The Impact of CVE-2018-16263
The vulnerability affects Tizen versions prior to 5.0 M1 and Tizen-based firmware like Samsung Galaxy Gear series before build RE2, potentially allowing unauthorized access and control of the A2DP MediaEndpoint.
Technical Details of CVE-2018-16263
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability arises from improper D-Bus security policy configurations in Tizen's PulseAudio system service, enabling unprivileged processes to manipulate the A2DP MediaEndpoint.
Affected Systems and Versions
- Tizen versions before 5.0 M1
- Tizen-based firmware such as Samsung Galaxy Gear series before build RE2
Exploitation Mechanism
Unauthorized processes can exploit the misconfigured D-Bus security policies to control the A2DP MediaEndpoint, potentially leading to unauthorized access and manipulation.
Mitigation and Prevention
Protecting systems from CVE-2018-16263 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Tizen to version 5.0 M1 or later to mitigate the vulnerability
- Apply security patches provided by Tizen or Samsung for affected devices
Long-Term Security Practices
- Regularly update Tizen-based firmware to the latest versions
- Implement proper security configurations and policies to prevent unauthorized access
Patching and Updates
- Install security patches released by Tizen or Samsung to address the vulnerability