CVE-2017-3749 : Exploit Details and Defense Strategies
Learn about CVE-2017-3749 affecting Lenovo VIBE and Lenovo China-only Moto Mobile Phones. Understand the privilege escalation risk and how to mitigate this security vulnerability.
CVE-2017-3749 was published on June 28, 2017, and affects Lenovo VIBE and Lenovo China-only Moto Mobile Phones. The vulnerability allows unauthorized tampering of private data through the Idea Friend Android application, potentially leading to privilege escalation.
Understanding CVE-2017-3749
This CVE involves a security issue in the Idea Friend Android application on Lenovo VIBE mobile phones, which can be exploited for privilege escalation.
What is CVE-2017-3749?
The vulnerability in the Idea Friend Android application on Lenovo VIBE phones enables unauthorized manipulation of private data, posing a risk of privilege escalation when combined with other CVEs.
The Impact of CVE-2017-3749
The exploitation of this vulnerability could result in unauthorized access and tampering of sensitive data stored on the affected Lenovo mobile phones.
Technical Details of CVE-2017-3749
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The Idea Friend Android application on Lenovo VIBE phones allows backing up and restoring private data using the Android Debug Bridge, which can be exploited for privilege escalation.
Affected Systems and Versions
- Product: Lenovo VIBE and Lenovo China-only Moto Mobile Phones
- Vendor: Lenovo Group Ltd.
- Vulnerable Version: Earlier than 6.0
Exploitation Mechanism
The vulnerability can be exploited by leveraging the backup and restore feature of the Idea Friend app in conjunction with CVE-2017-3748 and CVE-2017-3750.
Mitigation and Prevention
Protecting against CVE-2017-3749 involves taking immediate steps and implementing long-term security practices.
Immediate Steps to Take
- Disable the Idea Friend application on affected devices if possible.
- Monitor for any unauthorized access or data tampering.
Long-Term Security Practices
- Regularly update the device's operating system and applications.
- Implement strong access controls and user permissions to prevent unauthorized actions.
Patching and Updates
- Check for security patches and updates from Lenovo to address the CVE-2017-3749 vulnerability.