CVE-2017-3748 : Security Advisory and Response
Learn about CVE-2017-3748 affecting Lenovo VIBE mobile phones, allowing unauthorized access and privilege escalation. Find mitigation steps and updates here.
Lenovo VIBE mobile phones have a vulnerability in the nac_server component that, when combined with other CVEs, can lead to unauthorized access and privilege escalation.
Understanding CVE-2017-3748
This CVE involves a security issue in Lenovo VIBE mobile phones that can result in elevated privileges on the device.
What is CVE-2017-3748?
The vulnerability in the nac_server component of Lenovo VIBE phones allows unauthorized access, potentially leading to privilege escalation and root access on the device.
The Impact of CVE-2017-3748
Exploiting this vulnerability, along with other related CVEs, can enable attackers to gain elevated privileges and achieve root access on affected devices.
Technical Details of CVE-2017-3748
This section provides more technical insights into the vulnerability.
Vulnerability Description
Improper access controls in the nac_server component of Lenovo VIBE phones can be exploited in conjunction with other CVEs to elevate privileges to the root user.
Affected Systems and Versions
- Affected Products: Lenovo Vibe and Lenovo China-only Moto Mobile Phones
- Vendor: Lenovo Group Ltd.
- Vulnerable Versions: Earlier than 6.0
Exploitation Mechanism
The vulnerability can be abused in combination with CVE-2017-3749 and CVE-2017-3750 to achieve root access, commonly known as 'rooting' or 'jailbreaking' the device.
Mitigation and Prevention
Protecting systems from CVE-2017-3748 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update affected devices to the latest firmware or security patches provided by Lenovo.
- Monitor Lenovo's security advisories for any updates or mitigation strategies.
Long-Term Security Practices
- Implement strong access controls and authentication mechanisms on mobile devices.
- Regularly review and update security configurations to prevent unauthorized access.
Patching and Updates
- Apply security updates and patches released by Lenovo promptly to address the vulnerability and enhance device security.