CVE-2020-0454 : Exploit Details and Defense Strategies

Android-9 has a vulnerability in callCallbackForRequest of ConnectivityService.java, potentially leading to information disclosure. This CVE is categorized as an Information Disclosure.

Understanding CVE-2020-0454

This CVE involves a possible permission bypass in Android-9, which could result in local information disclosure without the need for user interaction.

What is CVE-2020-0454?

The CVE-2020-0454 vulnerability in Android-9 allows for the exposure of the current SSID due to a missing permission check in callCallbackForRequest of ConnectivityService.java.

The Impact of CVE-2020-0454

This vulnerability could lead to local information disclosure of the SSID with User execution privileges required. Exploitation does not necessitate user interaction.

Technical Details of CVE-2020-0454

Android ID: A-161370134

Vulnerability Description

In callCallbackForRequest of ConnectivityService.java, a missing permission check may result in a permission bypass, leading to local SSID information disclosure.

Affected Systems and Versions

Product: Android
Version: Android-9

Exploitation Mechanism

The vulnerability allows attackers to disclose the current SSID without the need for user interaction.

Mitigation and Prevention

It is essential to take immediate steps to address and prevent the exploitation of CVE-2020-0454.

Immediate Steps to Take

Monitor official security bulletins from Android for patches and updates related to CVE-2020-0454.
Implement access controls and restrictions to limit potential unauthorized access.

Long-Term Security Practices

Regularly update Android devices to the latest patched versions.
Conduct security assessments and audits to identify and remediate vulnerabilities.
Educate users on safe connectivity practices and potential risks.

Patching and Updates

Stay informed about security updates and patches released by Android to address the CVE-2020-0454 vulnerability.