CVE-2021-0546 Explained : Impact and Mitigation
Learn about CVE-2021-0546 affecting Android-11, allowing for an out-of-bounds write vulnerability with potential local privilege escalation. Find mitigation steps here.
Android-11 is affected by a vulnerability in phNxpNciHal_print_res_status of phNxpNciHal.cc, allowing for a potential out-of-bounds write. The issue could result in a local privilege escalation without the need for user interaction.
Understanding CVE-2021-0546
This CVE affects Android-11 and relates to an elevation of privilege vulnerability.
What is CVE-2021-0546?
The vulnerability in phNxpNciHal_print_res_status of phNxpNciHal.cc in Android-11 allows for an out-of-bounds write, potentially leading to local privilege escalation.
The Impact of CVE-2021-0546
Exploitation of this vulnerability could result in an attacker gaining system execution privileges without requiring user interaction.
Technical Details of CVE-2021-0546
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue arises from a missing bounds check in phNxpNciHal_print_res_status of phNxpNciHal.cc, potentially enabling out-of-bounds writes.
Affected Systems and Versions
The vulnerability affects Android-11.
Exploitation Mechanism
An attacker could exploit this vulnerability to achieve local privilege escalation without user interaction.
Mitigation and Prevention
To safeguard systems from CVE-2021-0546, follow these key steps.
Immediate Steps to Take
Organizations and users are advised to apply patches provided by the vendor promptly to mitigate this vulnerability.
Long-Term Security Practices
Regularly update systems and follow cybersecurity best practices to enhance overall security posture.
Patching and Updates
Stay informed about security bulletins and apply patches as soon as they are released to address known vulnerabilities.