CVE-2021-0471 Explained : Impact and Mitigation
Learn about CVE-2021-0471, an Android vulnerability in CryptoPlugin.cpp allowing local information disclosure. Find out affected versions and mitigation steps.
Android suffers from an out-of-bounds read vulnerability in decrypt_1_2 of CryptoPlugin.cpp, leading to local information disclosure. Exploitation does not require user interaction.
Understanding CVE-2021-0471
This section delves into the specifics of CVE-2021-0471.
What is CVE-2021-0471?
CVE-2021-0471 is an information disclosure vulnerability in Android's CryptoPlugin.cpp due to an integer overflow, allowing unauthorized data access.
The Impact of CVE-2021-0471
The vulnerability could result in local information disclosure without the need for additional execution privileges, posing a risk to sensitive data on affected devices.
Technical Details of CVE-2021-0471
Explore the technical aspects related to CVE-2021-0471.
Vulnerability Description
The issue originates from an integer overflow in decrypt_1_2 of CryptoPlugin.cpp, potentially leading to an out-of-bounds read, enabling unauthorized access to sensitive data.
Affected Systems and Versions
Products like Android-9, Android-10, Android-11, and Android-8.1 are impacted by CVE-2021-0471.
Exploitation Mechanism
The vulnerability allows threat actors to disclose local information without requiring any user interaction, potentially leading to data breaches.
Mitigation and Prevention
Learn how to address and prevent exploitation of CVE-2021-0471.
Immediate Steps to Take
Users should stay vigilant for security updates addressing CVE-2021-0471 and apply patches promptly to mitigate the risk of information disclosure.
Long-Term Security Practices
Implementing robust security protocols, regular software updates, and security awareness training can enhance overall cybersecurity posture.
Patching and Updates
Regularly check for security bulletins and updates from Android to ensure the latest patches are applied to safeguard against CVE-2021-0471.