CVE-2021-25379 : Exploit Details and Defense Strategies

An intent redirection vulnerability in Samsung Mobile's Gallery app before version 5.4.16.1 could enable an attacker to execute privileged actions.

Understanding CVE-2021-25379

This CVE pertains to an intent redirection vulnerability in the Gallery app by Samsung Mobile, impacting versions prior to 5.4.16.1.

What is CVE-2021-25379?

The CVE-2021-25379 involves an intent redirection vulnerability in Samsung Mobile's Gallery app, allowing attackers to carry out privileged actions.

The Impact of CVE-2021-25379

With a CVSS base score of 4, this vulnerability is rated as MEDIUM severity. The attack complexity is low, and it requires no user interaction. While the confidentiality impact is low, the integrity impact is none.

Technical Details of CVE-2021-25379

This section covers the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The intent redirection vulnerability in Samsung Mobile's Gallery app facilitates the execution of privileged actions by malicious actors.

Affected Systems and Versions

The vulnerability impacts Gallery app versions prior to 5.4.16.1 on Android O(8.x).

Exploitation Mechanism

Attackers can exploit this vulnerability locally with low complexity, posing a risk to the confidentiality of user data.

Mitigation and Prevention

To address CVE-2021-25379, immediate steps, security best practices, and patching/updating are crucial.

Immediate Steps to Take

Users should update their Gallery app to version 5.4.16.1 or later to mitigate the intent redirection vulnerability.

Long-Term Security Practices

Maintaining regular software updates, employing mobile security solutions, and avoiding untrusted sources can enhance device security.

Patching and Updates

Samsung Mobile should release patches promptly to address the intent redirection vulnerability in the Gallery app.