CVE-2020-27027 : Vulnerability Insights and Analysis

Android NFC Module Out of Bounds Read Vulnerability

Understanding CVE-2020-27027

What is CVE-2020-27027?

CVE-2020-27027 is a vulnerability found in the Android NFC module that could potentially lead to local information disclosure without requiring additional execution privileges.

The Impact of CVE-2020-27027

The vulnerability could allow an attacker to perform an out of bounds read, leading to the disclosure of sensitive information stored on the device.

Technical Details of CVE-2020-27027

Vulnerability Description

The issue exists in the nfc_ncif_proc_get_routing function of nfc_ncif.cc, where a missing bounds check could result in an out of bounds read.

Affected Systems and Versions

Product: Android
Versions Affected: Android-11

Exploitation Mechanism

The vulnerability can be exploited without the need for user interaction, making it a potential target for malicious actors.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor official sources for updates and advisories regarding this vulnerability.

Long-Term Security Practices

Regularly update the device's operating system and applications to mitigate potential security risks.
Implement security best practices to protect sensitive information stored on the device.
Consider using additional security measures such as firewalls and antivirus software.

Patching and Updates

It is crucial to stay informed about security updates released by the vendor to address CVE-2020-27027 and other potential vulnerabilities.