CVE-2021-25352 : Vulnerability Insights and Analysis

A vulnerability in Bixby Voice prior to version 3.0.52.14 could allow attackers to execute privileged actions through a PendingIntent hijacking and intent modification.

Understanding CVE-2021-25352

This CVE details a security issue in Samsung Mobile's Bixby Voice application, affecting versions prior to 3.0.52.14.

What is CVE-2021-25352?

The CVE-2021-25352 vulnerability arises from the misuse of PendingIntent with implicit intent, enabling attackers to perform privileged actions by manipulating the intent, potentially leading to unauthorized access.

The Impact of CVE-2021-25352

Exploiting this vulnerability could result in a moderate severity breach, with high confidentiality impact but low privileges required.

Technical Details of CVE-2021-25352

This section delves into specific technical aspects of the CVE.

Vulnerability Description

The vulnerability originates from improper authorization (CWE-285) due to PendingIntent usage within Bixby Voice.

Affected Systems and Versions

Samsung Mobile's Bixby Voice versions less than 3.0.52.14 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can leverage PendingIntent with implicit intent to execute unauthorized actions through intent manipulation.

Mitigation and Prevention

Protecting systems from CVE-2021-25352 requires immediate action and long-term security practices.

Immediate Steps to Take

Users are advised to update Bixby Voice to version 3.0.52.14 or newer to mitigate the vulnerability. Additionally, exercise caution while handling implicit intents.

Long-Term Security Practices

Developers should adhere to secure coding practices, perform regular security assessments, and prioritize authorization and intent handling.

Patching and Updates

Samsung Mobile users should stay informed about security advisories from the vendor and promptly apply patches to secure their systems.