CVE-2017-18302 : Vulnerability Insights and Analysis
Learn about CVE-2017-18302, a vulnerability in Snapdragon (Automobile, Mobile) versions allowing unauthorized write access to TZ kernel memory regions. Find mitigation steps and prevention measures here.
Snapdragon (Automobile, Mobile) versions affected by a vulnerability allowing unauthorized write access to TZ kernel memory regions.
Understanding CVE-2017-18302
Crafted HLOS clients can manipulate memory structures passed to QSEE applications, leading to unauthorized write access.
What is CVE-2017-18302?
Crafted HLOS clients can modify memory structures passed to QSEE applications in Snapdragon (Automobile, Mobile) versions, resulting in unauthorized write access to TZ kernel memory regions.
The Impact of CVE-2017-18302
Unauthorized write access to TZ kernel memory regions can lead to potential security breaches and data manipulation.
Technical Details of CVE-2017-18302
Crafted HLOS clients can exploit a vulnerability in Snapdragon (Automobile, Mobile) versions to gain unauthorized write access to TZ kernel memory regions.
Vulnerability Description
Crafted HLOS clients can alter memory structures passed to QSEE applications, allowing unauthorized write access to TZ kernel memory regions.
Affected Systems and Versions
- Snapdragon (Automobile, Mobile) versions: MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, Snapdragon_High_Med_2016
Exploitation Mechanism
The vulnerability occurs between the verification and usage stages, allowing unauthorized write access to TZ kernel memory regions.
Mitigation and Prevention
Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2017-18302.
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor for any unauthorized access or unusual system behavior.
- Implement strict access controls and permissions.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security audits and penetration testing to identify vulnerabilities.
- Educate users and employees on cybersecurity best practices.
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm.
- Implement patches as soon as they are released to address the vulnerability effectively.