CVE-2021-0482 : Vulnerability Insights and Analysis
Learn about CVE-2021-0482, a critical vulnerability in Android-11's BinderDiedCallback of MediaCodec.cpp. Understand the impact, technical details, and mitigation steps.
Android-11 has a vulnerability (CVE-2021-0482) that could allow local escalation of privilege without user interaction. Here's what you should know about this CVE.
Understanding CVE-2021-0482
This section provides insights into the nature and impact of CVE-2021-0482.
What is CVE-2021-0482?
CVE-2021-0482 is a vulnerability in BinderDiedCallback of MediaCodec.cpp in Android-11. It involves a potential memory corruption issue due to a use after free scenario. The exploitation could result in local privilege escalation.
The Impact of CVE-2021-0482
The vulnerability poses a risk of local escalation of privilege on affected Android-11 devices. It does not require any additional execution privileges, making it a critical issue that needs attention.
Technical Details of CVE-2021-0482
Delve into the technical aspects of CVE-2021-0482 to understand its implications.
Vulnerability Description
The vulnerability arises from a use after free scenario in BinderDiedCallback of MediaCodec.cpp, leading to potential memory corruption. Attackers could exploit this to escalate privileges locally.
Affected Systems and Versions
Android-11 devices are affected by this vulnerability, potentially exposing them to the risk of privilege escalation attacks.
Exploitation Mechanism
Exploiting the use after free memory corruption issue in BinderDiedCallback of MediaCodec.cpp allows attackers to locally escalate privileges, posing a serious security threat.
Mitigation and Prevention
Explore the steps to mitigate the risks associated with CVE-2021-0482 and prevent potential exploitation.
Immediate Steps to Take
It is crucial to apply immediate security measures to address CVE-2021-0482. Stay informed about security updates and follow best practices to enhance device security.
Long-Term Security Practices
Implementing robust security practices, such as regular security updates, code reviews, and vulnerability assessments, can help prevent similar vulnerabilities in the future.
Patching and Updates
Ensure that your Android-11 devices are up-to-date with the latest security patches. Timely application of patches helps mitigate the risks associated with known vulnerabilities.