CVE-2019-2117 : Vulnerability Insights and Analysis

Android versions 7.0 through 9 are affected by a vulnerability in the checkQueryPermission method of TelephonyProvider.java, potentially leading to the disclosure of secure data without additional execution privileges.

Understanding CVE-2019-2117

A vulnerability in Android versions 7.0 through 9 that could allow the unintended disclosure of secure data.

What is CVE-2019-2117?

The vulnerability exists in the checkQueryPermission method of TelephonyProvider.java in Android versions 7.0 through 9.
It could result in the unintended disclosure of secure data without requiring additional execution privileges.
Exploitation of this vulnerability does not need user interaction.

The Impact of CVE-2019-2117

The vulnerability could lead to the disclosure of secure data without the need for additional execution privileges.

Technical Details of CVE-2019-2117

A detailed look at the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability is present in the checkQueryPermission method of TelephonyProvider.java.
It allows for the potential disclosure of secure data due to a missing permission check.

Affected Systems and Versions

Product: Android
Versions affected: Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1, Android-9

Exploitation Mechanism

The vulnerability could be exploited to disclose local information about carrier systems without requiring additional execution privileges.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-2117.

Immediate Steps to Take

Apply security patches provided by the vendor.
Monitor for any unusual activities on affected systems.

Long-Term Security Practices

Regularly update and patch systems to protect against known vulnerabilities.
Implement access controls and permissions to limit data exposure.

Patching and Updates

Stay informed about security bulletins and updates from Android.