CVE-2020-27031 Explained : Impact and Mitigation
Learn about CVE-2020-27031, a vulnerability in Android NFC component leading to local information disclosure. Find out affected systems, exploitation details, and mitigation steps.
Android NFC vulnerability leading to information disclosure.
Understanding CVE-2020-27031
A vulnerability in Android's NFC component could allow for local information disclosure.
What is CVE-2020-27031?
The vulnerability lies in nfc_data_event of nfc_ncif.cc, potentially resulting in an out-of-bounds read without proper bounds checking.
The Impact of CVE-2020-27031
Exploitation could lead to local information disclosure, requiring system execution privileges but no user interaction.
Technical Details of CVE-2020-27031
Affects Android-11.
Vulnerability Description
- Missing bounds check in nfc_data_event of nfc_ncif.cc
- Could lead to local information disclosure
Affected Systems and Versions
- Product: Android
- Versions: Android-11
Exploitation Mechanism
- Requires system execution privileges
- No user interaction needed
Mitigation and Prevention
Steps to address the vulnerability.
Immediate Steps to Take
- Apply security patches promptly
- Monitor for any unauthorized access
Long-Term Security Practices
- Regular security assessments
- Implement least privilege access controls
- Educate users on safe NFC usage
Patching and Updates
- Refer to official Android security bulletin for patch details