CVE-2021-39755 : What You Need to Know
Learn about CVE-2021-39755, an information disclosure flaw in Android-12L's DevicePolicyManager. Discover impacts, affected versions, and mitigation steps.
This article provides insights into CVE-2021-39755 related to an information disclosure vulnerability in Android-12L's DevicePolicyManager.
Understanding CVE-2021-39755
This section delves into the nature of the vulnerability and its impact.
What is CVE-2021-39755?
CVE-2021-39755 refers to an information disclosure flaw in DevicePolicyManager of Android-12L, allowing the revelation of installed package existence without proper query permissions.
The Impact of CVE-2021-39755
The vulnerability could result in local information disclosure without requiring additional execution privileges or user interaction.
Technical Details of CVE-2021-39755
Explore the technical aspects of the CVE.
Vulnerability Description
The flaw in DevicePolicyManager could disclose the existence of an installed package through side channel information disclosure.
Affected Systems and Versions
- Affected Product: Android
- Affected Version: Android-12L
Exploitation Mechanism
The security issue enables local information disclosure without the need for additional user interaction.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-39755.
Immediate Steps to Take
- Ensure timely patching of affected systems.
- Monitor security bulletins for updates related to Android-12L.
Long-Term Security Practices
- Implement the principle of least privilege to limit access.
- Regularly review and update permission settings for applications.
Patching and Updates
Stay informed about security updates and apply patches promptly to address the vulnerability.