CVE-2018-14066 Explained : Impact and Mitigation

In certain custom ROMs for Android phones, a vulnerability exists in the content://wappush content provider within the com.android.provider.telephony package. This vulnerability allows for SQL injection, potentially leading to unauthorized access to SMS messages by applications lacking the READ_SMS permission. The issue was identified in Infinix X571 phones and certain Lenovo phones (e.g., A7020) but has been resolved by Lenovo.

Understanding CVE-2018-14066

This CVE involves a SQL injection vulnerability in specific Android phones, enabling unauthorized access to SMS messages.

What is CVE-2018-14066?

The content://wappush content provider in com.android.provider.telephony in custom ROMs for Android phones is susceptible to SQL injection. This allows applications without the READ_SMS permission to read SMS messages.

The Impact of CVE-2018-14066

The vulnerability could result in unauthorized access to SMS messages, compromising user privacy and potentially leading to misuse of sensitive information.

Technical Details of CVE-2018-14066

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability in the content://wappush content provider within the com.android.provider.telephony package allows for SQL injection, enabling unauthorized access to SMS messages.

Affected Systems and Versions

Infinix X571 phones
Certain Lenovo phones (e.g., A7020)

Exploitation Mechanism

The vulnerability can be exploited by applications lacking the READ_SMS permission to perform SQL injection, gaining unauthorized access to SMS messages.

Mitigation and Prevention

Protecting against and addressing the CVE.

Immediate Steps to Take

Update affected devices with the latest patches and security updates.
Avoid installing apps from untrusted sources.
Regularly monitor device activity for any suspicious behavior.

Long-Term Security Practices

Implement app permission restrictions to limit access to sensitive data.
Educate users on safe app usage practices and potential risks.
Conduct regular security audits and assessments to identify vulnerabilities.
Stay informed about security best practices and emerging threats.

Patching and Updates

Lenovo has addressed and resolved the vulnerability in affected devices through security patches.
Ensure all devices are updated with the latest firmware and security updates.