CVE-2022-20401 Explained : Impact and Mitigation

This article provides an overview of CVE-2022-20401, a vulnerability in Android's SAEMM_RetrievEPLMNList function that could lead to remote information disclosure.

Understanding CVE-2022-20401

In SAEMM_RetrievEPLMNList of SAEMM_ContextManagement.c, there is a possible out of bounds read due to a missing bounds check, potentially allowing remote information disclosure without additional execution privileges or user interaction.

What is CVE-2022-20401?

The vulnerability in Android's SAEMM_RetrievEPLMNList function may result in remote information disclosure post-authentication, impacting versions using the Android kernel.

The Impact of CVE-2022-20401

Exploitation of this vulnerability could lead to the disclosure of sensitive information without requiring user interaction or elevated privileges.

Technical Details of CVE-2022-20401

Details regarding the vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

The flaw in SAEMM_RetrievEPLMNList of SAEMM_ContextManagement.c allows for an out of bounds read, enabling remote attackers to access sensitive data.

Affected Systems and Versions

Product: Android Versions: Android kernel

Exploitation Mechanism

Remote attackers can exploit the missing bounds check to retrieve sensitive information post-authentication.

Mitigation and Prevention

Guidelines for addressing CVE-2022-20401 to enhance system security.

Immediate Steps to Take

Organizations are advised to apply necessary patches and updates to mitigate the vulnerability.

Long-Term Security Practices

Implementing secure coding practices and regular security audits can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly update systems with the latest security patches to ensure protection against known vulnerabilities.