CVE-2022-20454 : Exploit Details and Defense Strategies
CVE-2022-20454 allows local escalation of privilege in Android-10, 11, 12, 12L, 13 without user interaction. Learn impact, technical details, and mitigation steps.
A detailed overview of CVE-2022-20454, including its impact, technical details, and mitigation strategies.
Understanding CVE-2022-20454
In fdt_next_tag of fdt.c, there is a possible out of bounds write due to an integer overflow. This vulnerability could lead to local escalation of privilege, requiring System execution privileges without the need for user interaction.
What is CVE-2022-20454?
CVE-2022-20454 is a security vulnerability found in Android that allows for local privilege escalation through an out of bounds write due to an integer overflow.
The Impact of CVE-2022-20454
The impact of this vulnerability is the potential escalation of privileges on affected Android versions, including Android-10, Android-11, Android-12, Android-12L, and Android-13.
Technical Details of CVE-2022-20454
This section provides further insight into the vulnerability, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability resides in fdt_next_tag of fdt.c, where an integer overflow can trigger an out of bounds write, enabling a potential escalation of privileges.
Affected Systems and Versions
The affected systems include Android-10, Android-11, Android-12, Android-12L, and Android-13.
Exploitation Mechanism
Exploiting CVE-2022-20454 does not require user interaction and can result in local escalation of privileges with System execution permissions.
Mitigation and Prevention
Learn how to protect your systems from CVE-2022-20454 with immediate steps and long-term security practices.
Immediate Steps to Take
Implement security measures to mitigate the risk of local privilege escalation, such as access controls and system monitoring.
Long-Term Security Practices
Establish a robust security infrastructure, conduct regular security audits, and stay informed about security updates to prevent future vulnerabilities.
Patching and Updates
Stay tuned to official security bulletins and promptly apply patches provided by Android to address CVE-2022-20454.