CVE-2020-0556 Explained : Impact and Mitigation
Discover how the BlueZ vulnerability in Intel products could allow unauthorized access control, leading to privilege escalation and denial of service. Learn about prevention measures and patches.
BlueZ before version 5.54 by Intel may allow improper access control, leading to potential escalation of privilege and denial of service.
Understanding CVE-2020-0556
BlueZ version 5.54 presents a vulnerability that could be exploited by an unauthenticated user to elevate privileges and cause denial of service.
What is CVE-2020-0556?
The CVE-2020-0556 vulnerability in BlueZ prior to version 5.54 results from improper access control, potentially enabling unauthorized users to carry out privilege escalation and denial of service attacks through adjacent access.
The Impact of CVE-2020-0556
The vulnerability can lead to significant security risks, including unauthorized privilege escalation and denial of service attacks, posing threats to system integrity and availability.
Technical Details of CVE-2020-0556
BlueZ version 5.54 vulnerability details and impacts.
Vulnerability Description
- Improper access control in BlueZ before version 5.54
- Unauthenticated user potential for privilege escalation and denial of service
Affected Systems and Versions
- Product: BlueZ
- Vendor: Intel
- Version: 5.54
Exploitation Mechanism
- Vulnerability exploited by adjacent access
Mitigation and Prevention
Measures to address and prevent CVE-2020-0556.
Immediate Steps to Take
- Update BlueZ to version 5.54 or later
- Implement network segmentation to reduce attack surface
Long-Term Security Practices
- Regularly monitor and audit access control mechanisms
- Educate users on secure access practices
Patching and Updates
- Apply security patches promptly