CVE-2021-0541 Explained : Impact and Mitigation
Learn about CVE-2021-0541 affecting Android-11 devices, leading to local information disclosure within the NFC server. Find mitigation steps and recommendations.
This CVE-2021-0541 affects Android devices running on Android-11. It involves a vulnerability in phNxpNciHal_ext_process_nfc_init_rsp of phNxpNciHal_ext.cc, potentially leading to local information disclosure within the NFC server. System execution privileges are required for exploitation.
Understanding CVE-2021-0541
This section explores the details and impact of CVE-2021-0541.
What is CVE-2021-0541?
CVE-2021-0541 is an information disclosure vulnerability in Android devices running Android-11. It arises due to a missing bounds check in phNxpNciHal_ext_process_nfc_init_rsp, allowing an out-of-bounds read.
The Impact of CVE-2021-0541
The vulnerability could result in local information disclosure within the NFC server. Attackers with system execution privileges can exploit this issue, requiring no user interaction.
Technical Details of CVE-2021-0541
Delve into the technical aspects of CVE-2021-0541 to better understand its implications.
Vulnerability Description
The vulnerability in phNxpNciHal_ext_process_nfc_init_rsp of phNxpNciHal_ext.cc allows for an out-of-bounds read due to a missing bounds check, leading to potential information disclosure.
Affected Systems and Versions
The issue impacts Android devices specifically those running on Android-11.
Exploitation Mechanism
Exploiting CVE-2021-0541 requires system execution privileges and can lead to local information disclosure within the NFC server without user interaction.
Mitigation and Prevention
Discover the steps to mitigate the risks posed by CVE-2021-0541.
Immediate Steps to Take
It is recommended to apply relevant security patches provided by the vendor to address this vulnerability promptly.
Long-Term Security Practices
Enforcing robust security practices, such as regular security updates and secure coding practices, can help mitigate similar vulnerabilities in the future.
Patching and Updates
Ensuring that the affected Android devices are updated with the latest security patches and following vendor recommendations is crucial to prevent exploitation of CVE-2021-0541.