CVE-2021-0992 : Vulnerability Insights and Analysis
Android-12 CVE-2021-0992 vulnerability allows unauthorized alteration of default payment apps, leading to privacy breaches. Learn mitigation steps here.
Android OS, specifically Android-12, is affected by a vulnerability that allows a malicious app to change the default payment app without user consent. This could potentially lead to a local escalation of privilege, requiring user interaction for exploitation.
Understanding CVE-2021-0992
This section provides insights into the nature and impact of the CVE-2021-0992 vulnerability.
What is CVE-2021-0992?
CVE-2021-0992 is a vulnerability in Android's PaymentDefaultDialog.java that enables unauthorized alteration of the default payment app, potentially leading to privilege escalation without additional execution privileges.
The Impact of CVE-2021-0992
The vulnerability poses a significant risk of local privilege escalation on devices running Android-12, allowing a malicious actor to manipulate the default payment app without user consent.
Technical Details of CVE-2021-0992
This section delves into the technical aspects of the CVE-2021-0992 vulnerability.
Vulnerability Description
The flaw resides in the onCreate function of PaymentDefaultDialog.java, enabling a tapjack overlay attack that facilitates the unauthorized modification of the default payment app.
Affected Systems and Versions
The vulnerability affects Android-12, putting devices running this version at risk of exploitation.
Exploitation Mechanism
Exploiting CVE-2021-0992 requires user interaction to trick users into changing the default payment app, leading to potential privilege escalation.
Mitigation and Prevention
Learn how to protect your Android device from the CVE-2021-0992 vulnerability.
Immediate Steps to Take
Users should exercise caution when granting permissions or interacting with unfamiliar apps to mitigate the risk of exploitation.
Long-Term Security Practices
Regularly update your Android device and only install apps from trusted sources to reduce the likelihood of falling victim to privilege escalation attacks.
Patching and Updates
Stay informed about security updates from Google and ensure prompt installation to patch known vulnerabilities and enhance your device's security.