CVE-2020-27097 : Vulnerability Insights and Analysis
Learn about CVE-2020-27097, a vulnerability in Android 11 that could lead to local information disclosure. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Android 11 has a vulnerability that could lead to local information disclosure without requiring additional execution privileges.
Understanding CVE-2020-27097
What is CVE-2020-27097?
In checkGrantUriPermission of UriGrantsManagerService.java, there is a possible permissions bypass in Android 11, potentially resulting in local information disclosure.
The Impact of CVE-2020-27097
This vulnerability could allow an attacker to access local information without the need for user interaction, posing a risk of data exposure.
Technical Details of CVE-2020-27097
Vulnerability Description
The issue lies in checkGrantUriPermission of UriGrantsManagerService.java, enabling a permissions bypass that could lead to local information disclosure.
Affected Systems and Versions
- Product: Android
- Versions Affected: Android 11
Exploitation Mechanism
The vulnerability could be exploited without requiring any additional execution privileges, making it easier for attackers to access sensitive information.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor for any unusual activities that might indicate exploitation of this vulnerability.
Long-Term Security Practices
- Regularly update the system and applications to mitigate potential security risks.
- Implement access controls and least privilege principles to limit exposure to vulnerabilities.
Patching and Updates
It is crucial to stay informed about security updates and apply patches as soon as they are released to address this vulnerability.