CVE-2021-25403 : Security Advisory and Response
Discover the impact of CVE-2021-25403, an intent redirection vulnerability in Samsung Account app allowing unauthorized access to contacts and file providers. Learn about affected versions and mitigation steps.
Samsung Mobile's Samsung Account app is vulnerable to an Intent redirection flaw before version 10.8.0.4 in Android P and below, and 12.2.0.9 in Android Q and above. This vulnerability allows attackers to exploit the SettingWebView component to access contacts and file providers.
Understanding CVE-2021-25403
This section provides insights into the Samsung Account app vulnerability CVE-2021-25403.
What is CVE-2021-25403?
CVE-2021-25403 is an intent redirection vulnerability in Samsung Account, enabling unauthorized access to contacts and file providers through the SettingWebView component.
The Impact of CVE-2021-25403
The vulnerability poses a high risk, as it allows attackers to retrieve sensitive user information stored in contacts and files, compromising user privacy and security.
Technical Details of CVE-2021-25403
Explore the technical aspects of the CVE-2021-25403 vulnerability.
Vulnerability Description
The vulnerability arises from improper input validation in the Samsung Account app, enabling attackers to redirect intents to access sensitive data.
Affected Systems and Versions
Samsung Account versions earlier than 10.8.0.4 in Android P and below, and 12.2.0.9 in Android Q and above are vulnerable to this exploit.
Exploitation Mechanism
Attackers can leverage the vulnerability to redirect intents and gain unauthorized access to contacts and file providers via the SettingWebView component.
Mitigation and Prevention
Discover ways to mitigate and prevent the CVE-2021-25403 vulnerability.
Immediate Steps to Take
Users should update their Samsung Account app to the latest version to mitigate the intent redirection vulnerability.
Long-Term Security Practices
Practicing good mobile security hygiene, such as avoiding suspicious links and apps, can help prevent similar vulnerabilities.
Patching and Updates
Regularly updating the Samsung Account app and Android system patches is crucial to address security flaws and protect against potential exploits.