CVE-2017-17551 Explained : Impact and Mitigation
Learn about CVE-2017-17551, an arbitrary file write vulnerability in Mobotap Dolphin Browser for Android 12.0.2, allowing attackers to execute malicious code upon browser launch. Find mitigation steps and prevention measures.
The Backup and Restore function in Mobotap Dolphin Browser for Android version 12.0.2 contains a vulnerability that allows unauthorized modification of files, enabling attackers to execute malicious code.
Understanding CVE-2017-17551
This CVE involves an arbitrary file write vulnerability in the Dolphin Browser for Android, potentially leading to the execution of malicious code.
What is CVE-2017-17551?
The vulnerability in the Backup and Restore feature of Mobotap Dolphin Browser for Android 12.0.2 allows attackers to overwrite a specific executable file with a crafted malicious one, leading to the execution of unauthorized code.
The Impact of CVE-2017-17551
Exploiting this vulnerability enables attackers to replace executable files in the Dolphin Browser's data directory with malicious code, which gets executed whenever the browser is launched.
Technical Details of CVE-2017-17551
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows attackers to overwrite targeted executable files in the Dolphin Browser's data directory with specially crafted executables, leading to the execution of malicious code upon browser launch.
Affected Systems and Versions
- Product: Mobotap Dolphin Browser
- Version: 12.0.2
Exploitation Mechanism
Attackers exploit this vulnerability by using corrupted backup files generated by Dolphin Browser to replace executable files with malicious code.
Mitigation and Prevention
Protecting systems from CVE-2017-17551 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Avoid restoring browser settings from untrusted or corrupted backup files.
- Regularly monitor and verify the integrity of executable files in the Dolphin Browser's data directory.
Long-Term Security Practices
- Implement file integrity monitoring solutions to detect unauthorized changes to executable files.
- Educate users about safe backup and restore practices to prevent the execution of malicious code.
Patching and Updates
Ensure that the Dolphin Browser is updated to the latest version to mitigate the vulnerability and apply any security patches released by the vendor.