CVE-2021-0957 : Vulnerability Insights and Analysis

Android versions 10, 11, and 12 are affected by a vulnerability that allows bypassing Factory Reset Protections in NotificationStackScrollLayout of NotificationStackScrollLayout.java. This could result in a local escalation of privilege without requiring additional execution privileges.

Understanding CVE-2021-0957

This CVE pertains to an elevation of privilege vulnerability in Android versions 10, 11, and 12, potentially leading to a local privilege escalation without user interaction.

What is CVE-2021-0957?

The CVE-2021-0957 vulnerability in Android enables an attacker to bypass Factory Reset Protections in NotificationStackScrollLayout. Exploiting this flaw could pave the way for a privileged escalation on the affected system.

The Impact of CVE-2021-0957

If successfully exploited, CVE-2021-0957 could allow malicious actors to locally escalate their privileges on the Android system, potentially compromising sensitive data or gaining unauthorized access.

Technical Details of CVE-2021-0957

The technical aspects of CVE-2021-0957 include:

Vulnerability Description

The vulnerability in the NotificationStackScrollLayout of Android allows attackers to bypass Factory Reset Protections, leading to local privilege escalation.

Affected Systems and Versions

Android versions 10, 11, and 12 are confirmed to be impacted by this privilege escalation vulnerability.

Exploitation Mechanism

The exploitation of CVE-2021-0957 involves manipulating the NotificationStackScrollLayout functionality to bypass existing protections and gain unauthorized privileges.

Mitigation and Prevention

To address CVE-2021-0957, consider the following mitigation strategies:

Immediate Steps to Take

Implement security patches provided by Google for Android versions 10, 11, and 12.
Regularly monitor for any unusual system behavior that might indicate an exploitation attempt.

Long-Term Security Practices

Stay informed about security bulletins and updates released by Android to safeguard against known vulnerabilities.
Employ best security practices to minimize the risk of privilege escalation attacks.

Patching and Updates

Timely application of security patches and updates for Android versions 10, 11, and 12 is crucial to remediate the CVE-2021-0957 vulnerability and enhance system security.