CVE-2020-0073 : Security Advisory and Response

A vulnerability in Android could allow remote code execution over NFC, potentially leading to serious security breaches.

Understanding CVE-2020-0073

This CVE identifies an out of bounds write issue in Android that could be exploited remotely over NFC.

What is CVE-2020-0073?

This vulnerability is found in rw_t2t_handle_tlv_detect_rsp of rw_t2t_ndef.cc. It allows for potential remote code execution with no additional execution privileges required.

The Impact of CVE-2020-0073

The vulnerability poses a significant threat as an attacker can achieve remote code execution over NFC without the need for user interaction.

Technical Details of CVE-2020-0073

A deeper look into the specifics of the CVE.

Vulnerability Description

The vulnerability arises from a missing bounds check in rw_t2t_handle_tlv_detect_rsp, enabling an out of bounds write.

Affected Systems and Versions

Product: Android
Versions: Android-8.0, Android-8.1, Android-9, Android-10

Exploitation Mechanism

Attackers can exploit this vulnerability remotely over NFC, allowing for potential remote code execution.

Mitigation and Prevention

Ways to address and prevent exploitation of CVE-2020-0073.

Immediate Steps to Take

Update Android devices to the latest security patches promptly.
Implement NFC usage restrictions, especially for untrusted sources.

Long-Term Security Practices

Regularly review and enhance NFC-related security protocols.
Conduct security training to increase awareness of NFC-related risks.

Patching and Updates

Regularly monitor and apply security updates from Android.
Maintain a proactive approach to address known vulnerabilities promptly.