CVE-2017-0423 : Security Advisory and Response

Android Bluetooth Vulnerability

Understanding CVE-2017-0423

A vulnerability in Android's Bluetooth stack that could allow an attacker in close proximity to exploit and gain control over document access on the device.

What is CVE-2017-0423?

The flaw in Bluetooth could be exploited by an attacker in close proximity to gain control over document access on the device.
This vulnerability is considered Moderate as it necessitates the exploitation of another vulnerability in the Bluetooth stack.
The impacted product is Android, with affected versions including 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, and 7.1.1.

The Impact of CVE-2017-0423

An attacker could potentially elevate privileges and manipulate document access on the device.

Technical Details of CVE-2017-0423

Vulnerability Description

An elevation of privilege vulnerability in Bluetooth that could enable a proximate attacker to manage access to documents on the device.

Affected Systems and Versions

Product: Android
Affected Versions: 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1

Exploitation Mechanism

The attacker needs to exploit a separate vulnerability in the Bluetooth stack to leverage this privilege escalation.

Mitigation and Prevention

Immediate Steps to Take

Disable Bluetooth when not in use to minimize the risk of exploitation.
Regularly update the device's operating system and security patches.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Educate users on the risks of Bluetooth vulnerabilities and best practices for secure device usage.

Patching and Updates

Stay informed about security bulletins and updates from Android to apply relevant patches promptly.