CVE-2020-0050 : What You Need to Know
Discover the security vulnerability in Android NFC server (CVE-2020-0050). Learn about the impact, affected systems, exploitation details, and mitigation steps to secure your system.
Android NFC Server Vulnerability
Understanding CVE-2020-0050
A security vulnerability in the Android NFC server could allow local privilege escalation.
What is CVE-2020-0050?
The vulnerability exists due to improper input validation in nfa_hciu_send_msg of nfa_hci_utils.cc, potentially leading to an out-of-bounds write. Exploitation could allow an attacker to escalate privileges locally without the need for user interaction.
The Impact of CVE-2020-0050
The vulnerability could be exploited to gain elevated privileges within the NFC server, requiring System execution privileges for successful attacks.
Technical Details of CVE-2020-0050
Vulnerability Description
- Improper input validation in nfa_hciu_send_msg of nfa_hci_utils.cc
- Possible out-of-bounds write
Affected Systems and Versions
- Product: Android
- Versions affected: Android-10
Exploitation Mechanism
- Attackers can exploit the vulnerability to achieve local privilege escalation without user interaction.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches promptly
- Monitor vendor security bulletins for updates
Long-Term Security Practices
- Regularly update system software
- Implement strict input validation practices
Patching and Updates
- Utilize the patch provided by Android