CVE-2020-0377 : Vulnerability Insights and Analysis

This CVE-2020-0377 article provides insights into an out-of-bounds read vulnerability in Android's Bluetooth server that could lead to remote information disclosure without the need for user interaction.

Understanding CVE-2020-0377

What is CVE-2020-0377?

CVE-2020-0377 is a vulnerability in gatt_process_read_by_type_rsp of gatt_cl.cc, potentially resulting in remote information exposure in Android's Bluetooth server.

The Impact of CVE-2020-0377

The vulnerability could allow an attacker to disclose sensitive information remotely without advanced execution privileges.

Technical Details of CVE-2020-0377

Vulnerability Description

An out-of-bounds read occurs due to a missing bounds check in gatt_process_read_by_type_rsp of gatt_cl.cc, posing a risk of information disclosure in the Bluetooth server.

Affected Systems and Versions

Product: Android
Versions Affected: Android-8.1, Android-9, Android-10, Android-11, Android-8.0

Exploitation Mechanism

The vulnerability can be exploited remotely without user interaction, potentially leading to information disclosure.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by the vendor promptly
Implement network segmentation and access controls to reduce exposure

Long-Term Security Practices

Regularly update and patch systems and software
Conduct security assessments and audits periodically

Patching and Updates

Update affected systems to the latest secure versions and ensure timely implementation of security patches.