Discover the impact of CVE-2021-0986, a critical information disclosure vulnerability in Android-12, and learn how to mitigate the risk through immediate and long-term security practices.
This article provides detailed information about CVE-2021-0986, a vulnerability in Android that could lead to information disclosure without the need for user interaction.
Understanding CVE-2021-0986
This section delves into the vulnerability's description, impact, technical details, and mitigation strategies.
What is CVE-2021-0986?
The vulnerability identified as CVE-2021-0986 exists in the hasGrantedPolicy of DevicePolicyManagerService.java. It exposes potential information disclosure about the device owner, profile owner, or device admin due to a logic error in the code. Exploiting this flaw could result in local information disclosure without requiring additional execution privileges or user interaction.
The Impact of CVE-2021-0986
The vulnerability's impact is centered around information disclosure, posing a risk to the confidentiality of sensitive data stored on affected Android devices, specifically those running Android-12.
Technical Details of CVE-2021-0986
This section outlines the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The logic error in the hasGrantedPolicy function of DevicePolicyManagerService.java exposes critical information about the device owner, profile owner, or device admin, leading to potential local information disclosure.
Affected Systems and Versions
The vulnerability affects Android devices running on the Android-12 operating system.
Exploitation Mechanism
Exploiting CVE-2021-0986 does not require user interaction or additional execution privileges, making it easier for threat actors to gain access to sensitive information.
Mitigation and Prevention
Learn about the immediate steps to take and long-term security practices to safeguard your Android device against CVE-2021-0986.
Immediate Steps to Take
Users are advised to stay vigilant, apply security patches promptly, and monitor official sources for updates and security bulletins regarding this vulnerability.
Long-Term Security Practices
Implement robust security measures such as using secure apps, enabling device encryption, and practicing safe browsing habits to minimize the risk of information disclosure.
Patching and Updates
Ensure that your Android device is up to date with the latest security patches and software updates to mitigate the risk posed by CVE-2021-0986.