CVE-2021-25499 : Exploit Details and Defense Strategies

A vulnerability in SamsungAccountSDKSigninActivity of Galaxy Store prior to version 4.5.32.4 could allow an attacker to access the content provider of Galaxy Store.

Understanding CVE-2021-25499

This CVE identifies an intent redirection vulnerability in Galaxy Store that affects versions prior to 4.5.32.4.

What is CVE-2021-25499?

The vulnerability in SamsungAccountSDKSigninActivity of Galaxy Store allows an attacker to gain unauthorized access to the content provider of the application.

The Impact of CVE-2021-25499

With a CVSS base score of 7.1, this vulnerability has a high severity level with potential impacts on confidentiality and integrity.

Technical Details of CVE-2021-25499

This section provides a deeper insight into the vulnerability, the affected systems, and how exploitation can occur.

Vulnerability Description

The improper authorization vulnerability in SamsungAccountSDKSigninActivity allows attackers to redirect intents and access the Galaxy Store content provider.

Affected Systems and Versions

Galaxy Store versions prior to 4.5.32.4 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by leveraging the intent redirection issue in SamsungAccountSDKSigninActivity.

Mitigation and Prevention

To address CVE-2021-25499, immediate steps should be taken to mitigate risks and prevent potential exploitation.

Immediate Steps to Take

Users and administrators should update Galaxy Store to version 4.5.32.4 or newer to eliminate this vulnerability.

Long-Term Security Practices

Implementing proper authorization checks and monitoring for intent redirection can enhance the security posture of Galaxy Store.

Patching and Updates

Regularly apply security patches provided by Samsung Mobile to ensure the latest security fixes are in place.