CVE-2022-20147 : Vulnerability Insights and Analysis
Learn about CVE-2022-20147, a privilege escalation vulnerability in Android 10, 11, 12, and 12L. Understand the impact, technical details, and mitigation steps to secure affected systems.
This article provides detailed information about CVE-2022-20147, a vulnerability found in Android that could lead to the escalation of privileges without any additional user interaction.
Understanding CVE-2022-20147
This section delves into the specifics of the CVE-2022-20147 vulnerability in Android.
What is CVE-2022-20147?
CVE-2022-20147 involves a potential out-of-bounds write in nfa_dm_check_set_config of nfa_dm_main.cc. The absence of a bounds check could result in local privilege escalation without requiring extra execution privileges. There is no need for user interaction for the vulnerability to be exploited.
The Impact of CVE-2022-20147
The impact of this vulnerability is the potential for local privilege escalation on affected Android versions, including Android 10, 11, 12, and 12L.
Technical Details of CVE-2022-20147
This section provides technical details about the CVE-2022-20147 vulnerability, including the description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises due to a missing bounds check in nfa_dm_check_set_config of nfa_dm_main.cc, leading to a possible out-of-bounds write.
Affected Systems and Versions
Android versions including Android 10, 11, 12, and 12L are impacted by CVE-2022-20147.
Exploitation Mechanism
Exploiting this vulnerability could result in local escalation of privilege with no additional execution privileges required, and no user interaction is necessary.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent exploitation of CVE-2022-20147 on Android devices.
Immediate Steps to Take
Immediate actions include applying security patches and updates provided by the vendor.
Long-Term Security Practices
Implementing strong security practices, such as regular system updates and secure coding practices, can help prevent similar vulnerabilities in the future.
Patching and Updates
It is crucial to promptly install patches and updates released by the vendor to address CVE-2022-20147 and enhance the overall security posture of Android devices.