CVE-2019-15744 : Exploit Details and Defense Strategies

Android device Sony Xperia XZs is vulnerable to unauthorized wireless settings modification through a pre-installed application.

Understanding CVE-2019-15744

The vulnerability in the Sony Xperia XZs device allows any application to exploit a confused deputy attack, enabling unauthorized changes to wireless settings.

What is CVE-2019-15744?

The Sony Xperia XZs device contains a pre-installed application that permits unauthorized modification of wireless settings, posing a security risk.

The Impact of CVE-2019-15744

This vulnerability allows malicious applications to manipulate wireless settings without user consent, potentially leading to privacy breaches and network vulnerabilities.

Technical Details of CVE-2019-15744

The technical aspects of the CVE-2019-15744 vulnerability are as follows:

Vulnerability Description

The pre-installed jp.softbank.mb.tdrl app on Sony Xperia XZs facilitates unauthorized changes to wireless settings through a confused deputy attack.

Affected Systems and Versions

Device: Sony Xperia XZs
Build Fingerprint: Sony/keyaki_softbank/keyaki_softbank:7.1.1/TONE3-3.0.0-SOFTBANK-170517-0323/1:user/dev-keys
App Version: 1.3.0 (versionCode=1413005)

Exploitation Mechanism

Any application installed on the Sony Xperia XZs device can exploit the vulnerability to modify wireless settings without proper authorization.

Mitigation and Prevention

To address CVE-2019-15744, consider the following steps:

Immediate Steps to Take

Disable or uninstall the jp.softbank.mb.tdrl app
Regularly monitor and review installed applications for suspicious behavior
Implement app permission restrictions

Long-Term Security Practices

Keep the device updated with the latest security patches
Exercise caution when installing new applications

Patching and Updates

Ensure the device receives timely security updates to mitigate known vulnerabilities.