CVE-2020-27055 : What You Need to Know
Learn about CVE-2020-27055, a vulnerability in Android-11's WiFi configuration that could lead to remote information disclosure. Find mitigation steps and patching details here.
Android-11 has a vulnerability in WifiConfigController.java and WifiConfigController2.java that could lead to remote information disclosure without user interaction.
Understanding CVE-2020-27055
What is CVE-2020-27055?
This CVE involves an insecure WiFi configuration in Android-11 due to improper input validation, potentially leading to remote information disclosure.
The Impact of CVE-2020-27055
The vulnerability could allow attackers to access sensitive information remotely without requiring additional execution privileges or user interaction.
Technical Details of CVE-2020-27055
Vulnerability Description
The issue exists in the isSubmittable and showWarningMessagesIfAppropriate functions of WifiConfigController.java and WifiConfigController2.java, allowing for insecure WiFi configurations.
Affected Systems and Versions
- Product: Android
- Versions: Android-11
Exploitation Mechanism
- Attackers can exploit the vulnerability to disclose information remotely without needing user interaction.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor for any unusual network activity that could indicate exploitation.
Long-Term Security Practices
- Regularly update and patch all software and applications.
- Implement network segmentation and access controls to limit exposure.
Patching and Updates
- Refer to the vendor's security bulletin for patch availability and installation instructions.