CVE-2021-0545 : What You Need to Know
Learn about CVE-2021-0545, a critical vulnerability impacting Android-11 devices, allowing local privilege escalation in the NFC server without user interaction. Find mitigation steps here.
Android devices are impacted by CVE-2021-0545, a vulnerability that allows for local escalation of privilege in the NFC server without the need for user interaction. It affects Android-11 versions.
Understanding CVE-2021-0545
This section delves into the details of the CVE-2021-0545 vulnerability.
What is CVE-2021-0545?
The CVE-2021-0545 vulnerability exists in phNxpNciHal_print_res_status of phNxpNciHal.cc, where an out-of-bounds write occurs due to a missing bounds check. This flaw enables a threat actor to locally escalate privileges in the NFC server, requiring System execution privileges without user interaction.
The Impact of CVE-2021-0545
The impact of this vulnerability is the potential for local privilege escalation within the NFC server on Android-11 devices, posing security risks.
Technical Details of CVE-2021-0545
Explore the technical aspects of CVE-2021-0545 to understand its implications thoroughly.
Vulnerability Description
The vulnerability allows for a possible out-of-bounds write in the NFC server, leading to local privilege escalation without user interaction.
Affected Systems and Versions
Android devices running the Android-11 version are affected by CVE-2021-0545, exposing them to the risk of privilege escalation attacks.
Exploitation Mechanism
The exploitation of this vulnerability does not require any user interaction, making it easier for threat actors to leverage the flaw.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks associated with CVE-2021-0545.
Immediate Steps to Take
Users should apply relevant security patches and updates to protect their Android devices from potential exploitation of this vulnerability.
Long-Term Security Practices
Implementing robust security practices such as regularly updating devices and monitoring for security bulletins can help prevent similar vulnerabilities.
Patching and Updates
Stay informed about security updates released by Google for Android devices to patch vulnerabilities like CVE-2021-0545 and enhance device security.