CVE-2023-30704 : Exploit Details and Defense Strategies
Learn about CVE-2023-30704, an Improper Authorization vulnerability in Samsung Internet allowing physical attackers to access downloaded files without user authentication.
A detailed analysis of the CVE-2023-30704 vulnerability affecting Samsung Internet prior to version 22.0.0.35, leading to an Improper Authorization issue allowing physical attackers to access downloaded files in Secret Mode without user authentication.
Understanding CVE-2023-30704
This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2023-30704?
CVE-2023-30704 is an Improper Authorization vulnerability in Samsung Internet before version 22.0.0.35. It enables physical attackers to reach downloaded files in Secret Mode without requiring user authentication.
The Impact of CVE-2023-30704
The vulnerability's impact is severe, with a CVSS v3.1 base score of 3.8 (Low). It has a high attack complexity and requires both high privileges and physical access, posing a risk to confidentiality.
Technical Details of CVE-2023-30704
This section delves into the specific technical aspects of the vulnerability.
Vulnerability Description
Samsung Internet, until version 22.0.0.35, lacks proper authorization controls, allowing physical attackers to bypass user authentication and access downloaded files in Secret Mode.
Affected Systems and Versions
The vulnerability affects Samsung Internet versions earlier than 22.0.0.35. Systems operating on these versions are vulnerable to unauthorized file access in Secret Mode.
Exploitation Mechanism
Attackers with physical access can exploit this vulnerability with high complexity, gaining unauthorized entry to Secret Mode downloaded files without needing user interaction.
Mitigation and Prevention
To address CVE-2023-30704, implement the following immediate and long-term mitigation measures.
Immediate Steps to Take
- Upgrade Samsung Internet to version 22.0.0.35 or newer to mitigate the vulnerability.
- Avoid using Secret Mode until the application is updated to a secure version.
Long-Term Security Practices
- Regularly update software to the latest versions to patch security vulnerabilities.
- Educate users on safe browsing habits and highlight the risks of unauthorized access to sensitive data.
Patching and Updates
Stay informed about security updates released by Samsung Mobile and promptly install patches to ensure the protection of your device.