Discover the details of CVE-2022-20137, an Android elevation of privilege vulnerability allowing non-owner users to manipulate WiFi settings for potential local privilege escalation. Learn about the impact, affected systems, exploitation, and mitigation strategies.
Android Elevation of Privilege Vulnerability (CVE-2022-20137) allows non-owner users to change WiFi settings, potentially leading to local privilege escalation. This article provides an overview of the vulnerability, its impact, technical details, and mitigation strategies.
Understanding CVE-2022-20137
This section delves into the specifics of the Android vulnerability to help users understand the potential risks associated with it.
What is CVE-2022-20137?
The vulnerability lies in onCreateContextMenu of NetworkProviderSettings.java, where a missing permission check enables non-owner users to manipulate WiFi settings, requiring user interaction for exploitation.
The Impact of CVE-2022-20137
The vulnerability poses a significant risk of local escalation of privilege, demanding immediate attention to prevent potential security breaches.
Technical Details of CVE-2022-20137
This section explores the technical aspects of the CVE, including its description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The missing permission check in onCreateContextMenu of NetworkProviderSettings.java permits non-owner users to tweak WiFi settings, paving the way for privilege escalation.
Affected Systems and Versions
The vulnerability affects Android versions Android-12 and Android-12L, emphasizing the urgency of implementing necessary security measures.
Exploitation Mechanism
User interaction is essential for exploiting the vulnerability, highlighting the importance of user vigilance and security awareness.
Mitigation and Prevention
To safeguard systems from CVE-2022-20137 and mitigate associated risks, immediate steps, long-term security practices, and timely updates are crucial.
Immediate Steps to Take
Users are advised to apply relevant patches promptly, review permissions settings, and monitor WiFi configurations vigilantly to prevent unauthorized changes.
Long-Term Security Practices
Implementing robust access control measures, conducting regular security audits, and enhancing user permissions management are recommended for long-term security.
Patching and Updates
Regularly updating Android devices with the latest security patches and staying informed about security advisories are vital for addressing CVE-2022-20137 effectively.