CVE-2021-25428 : Security Advisory and Response

A vulnerability in Samsung Mobile Devices prior to SMR July-2021 Release 1 could allow untrusted applications to obtain dangerous permissions without user confirmation.

Understanding CVE-2021-25428

This CVE identifies an improper validation check vulnerability in PackageManager on certain Samsung Mobile Devices.

What is CVE-2021-25428?

The vulnerability allows untrusted applications to acquire dangerous permissions without user confirmation under specific conditions.

The Impact of CVE-2021-25428

If exploited, this vulnerability could lead to untrusted apps obtaining elevated permissions without user consent, posing a significant security risk.

Technical Details of CVE-2021-25428

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability lies in PackageManager prior to SMR July-2021 Release 1, enabling untrusted apps to bypass validation checks for dangerous permissions.

Affected Systems and Versions

Samsung Mobile Devices running versions O(8.1), P(9.0), Q(10.0), R(11.0) custom firmware prior to SMR July-2021 Release 1 are impacted.

Exploitation Mechanism

Untrusted applications on affected devices can exploit this flaw to gain dangerous permissions without user consent.

Mitigation and Prevention

Discover the necessary steps to mitigate this vulnerability and enhance your device's security.

Immediate Steps to Take

Users should install the SMR July-2021 Release 1 update to patch the vulnerability and prevent unauthorized apps from obtaining dangerous permissions.

Long-Term Security Practices

Regularly update your device with the latest security patches and follow best practices to ensure continued protection against potential threats.

Patching and Updates

Stay informed about security updates released by Samsung Mobile to address vulnerabilities like CVE-2021-25428 and protect your device from potential risks.