CVE-2021-0435 : What You Need to Know
Discover the impact of CVE-2021-0435, an Android vulnerability that could lead to remote information disclosure without user interaction. Learn about affected systems and mitigation steps.
This CVE-2021-0435 pertains to an information disclosure vulnerability found in the avrc_proc_vendor_command function of avrc_api.cc in Android. The issue could result in a leak of heap data, potentially leading to remote information disclosure without the need for user interaction.
Understanding CVE-2021-0435
This section delves into the details of the CVE-2021-0435 vulnerability.
What is CVE-2021-0435?
The vulnerability involves uninitialized data in the avrc_proc_vendor_command function of avrc_api.cc in Android, allowing a possible leak of heap data. This leak could result in remote information disclosure.
The Impact of CVE-2021-0435
The impact of this vulnerability is the potential exposure of sensitive information remotely without requiring additional execution privileges or user interaction.
Technical Details of CVE-2021-0435
This section provides a technical overview of the CVE-2021-0435 vulnerability.
Vulnerability Description
The vulnerability lies in the avrc_proc_vendor_command function of avrc_api.cc in Android, leading to a potential leak of heap data.
Affected Systems and Versions
The affected product is Android, with versions including Android-11, Android-8.1, Android-9, and Android-10.
Exploitation Mechanism
Exploiting this vulnerability could allow an attacker to disclose remote information without needing any additional execution privileges or user interaction.
Mitigation and Prevention
Here we discuss the steps to mitigate and prevent exploitation of CVE-2021-0435.
Immediate Steps to Take
It is recommended to apply the necessary patches and security updates provided by the vendor to address this vulnerability immediately.
Long-Term Security Practices
Implementing strong security practices, such as regular security audits and updates, can help in maintaining a secure environment.
Patching and Updates
Regularly check for and apply security patches released by the vendor to ensure that your systems are protected against known vulnerabilities.