CVE-2017-0547 : Vulnerability Insights and Analysis
Learn about CVE-2017-0547, an Android Mediaserver vulnerability allowing local malicious apps to access data beyond permission levels. Find mitigation steps and affected versions here.
A vulnerability concerning the disclosure of information has been identified in libmedia within the Mediaserver of Android. This vulnerability allows a malicious application running locally to access data beyond its designated permission levels. The severity of this issue is considered High due to its ability to bypass the operating system's security measures, which are designed to isolate application data from other applications. The affected Android versions include 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, and 7.1.1.
Understanding CVE-2017-0547
This CVE entry highlights an information disclosure vulnerability in Android's Mediaserver component.
What is CVE-2017-0547?
CVE-2017-0547 is an information disclosure vulnerability in libmedia within the Mediaserver of Android. It allows a locally running malicious application to access data beyond its permission levels.
The Impact of CVE-2017-0547
The severity of this vulnerability is rated as High due to its potential to bypass the OS security measures, compromising data isolation between applications.
Technical Details of CVE-2017-0547
This section delves into the technical aspects of the CVE entry.
Vulnerability Description
The vulnerability in libmedia within the Mediaserver of Android enables unauthorized access to data by a locally running malicious application.
Affected Systems and Versions
- Product: Android
- Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1
Exploitation Mechanism
The vulnerability allows a malicious local application to surpass permission restrictions and access data beyond its designated levels.
Mitigation and Prevention
Understanding how to mitigate and prevent exploitation of this vulnerability is crucial.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Avoid downloading and running untrusted applications on the device.
- Regularly update the Android OS to the latest version.
Long-Term Security Practices
- Implement app sandboxing to restrict app permissions.
- Use reputable app stores for downloading applications.
- Employ mobile security solutions to detect and prevent malicious activities.
Patching and Updates
Regularly check for security updates from Google for Android and apply them to ensure protection against known vulnerabilities.