CVE-2022-20345 : What You Need to Know

Android Bluetooth Vulnerability

Understanding CVE-2022-20345

This CVE describes a vulnerability in Android's Bluetooth functionality that could allow for remote code execution without requiring any additional execution privileges or user interaction.

What is CVE-2022-20345?

The vulnerability exists in the

l2cble_process_sig_cmd

function of

l2c_ble.cc

in Android. It stems from a missing bounds check, potentially leading to an out-of-bounds write.

The Impact of CVE-2022-20345

Exploiting this vulnerability could enable an attacker to achieve remote code execution over Bluetooth, posing a significant risk to affected devices.

Technical Details of CVE-2022-20345

Vulnerability Description

The issue arises from a lack of proper bounds checking in the Bluetooth code, allowing for unauthorized write access and potential malicious code execution.

Affected Systems and Versions

The vulnerability affects Android versions Android-12 and Android-12L.

Exploitation Mechanism

Attackers can leverage this vulnerability to execute arbitrary code remotely via Bluetooth without needing any user interaction.

Mitigation and Prevention

Immediate Steps to Take

Users and system administrators are advised to update their Android devices to the latest patches provided by Google to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Regularly updating software and maintaining secure configurations can help prevent exploitation of such vulnerabilities in the future.

Patching and Updates

Stay informed about security bulletins and promptly apply relevant security patches to ensure the protection of your devices against potential threats.