CVE-2020-0453 : Security Advisory and Response
Learn about CVE-2020-0453, a security flaw in Android allowing data disclosure without user interaction. Find out how to mitigate this risk and apply necessary patches.
Android vulnerability with possible permission bypass and local information disclosure.
Understanding CVE-2020-0453
This CVE involves a security issue in Android that could lead to information disclosure without requiring user interaction.
What is CVE-2020-0453?
CVE-2020-0453 is a vulnerability in the BeamTransferManager.java file of Android that allows a potential permission bypass, leading to local information disclosure.
The Impact of CVE-2020-0453
The vulnerability may result in local information disclosure with User execution privileges needed. Exploitation does not require user interaction.
Technical Details of CVE-2020-0453
Vulnerability Description
- The issue lies in the updateNotification function of BeamTransferManager.java, allowing an unsafe PendingIntent.
Affected Systems and Versions
- Product: Android
- Versions: Android-9, Android-8.0, Android-8.1
Exploitation Mechanism
- The vulnerability can be exploited to achieve a permission bypass and disclose local information without user interaction.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor.
- Monitor for any unusual activities or information disclosures.
Long-Term Security Practices
- Regularly update the Android operating system to the latest version.
- Implement least privilege principles to restrict access.
Patching and Updates
- Keep the Android system and applications up to date to mitigate known vulnerabilities.