CVE-2017-18129 : Exploit Details and Defense Strategies
Learn about CVE-2017-18129, a security flaw in Qualcomm Snapdragon chips allowing unauthorized access to IPA channels. Find mitigation steps and affected versions here.
Android devices with Qualcomm Snapdragon chips were vulnerable to improper access control in TrustZone.
Understanding CVE-2017-18129
This CVE highlights a security vulnerability in Qualcomm Snapdragon Automobile and Snapdragon Mobile chips.
What is CVE-2017-18129?
Prior to the security patch level of April 5, 2018, a vulnerability existed in Qualcomm Snapdragon chips where IPA channels from one security domain could be manipulated by other domains.
The Impact of CVE-2017-18129
The vulnerability allowed unauthorized manipulation of IPA channels, potentially leading to security breaches and data compromise.
Technical Details of CVE-2017-18129
Qualcomm Snapdragon chips were affected by an improper access control issue in TrustZone.
Vulnerability Description
The vulnerability allowed unauthorized control of IPA channels across security domains on Snapdragon Automobile and Snapdragon Mobile chips.
Affected Systems and Versions
- Products: Snapdragon Automobile, Snapdragon Mobile
- Versions: MDM9206, MDM9607, SD 845, MSM8996, MSM8998
Exploitation Mechanism
Unauthorized manipulation of IPA channels belonging to different security domains.
Mitigation and Prevention
Immediate Steps to Take:
- Apply security patch level of April 5, 2018, or later.
- Monitor for any unauthorized access attempts.
Long-Term Security Practices
- Regularly update device firmware and security patches.
- Implement access control mechanisms to prevent unauthorized channel manipulation.
- Conduct security audits to identify and address vulnerabilities.
Patching and Updates
Ensure all Qualcomm Snapdragon devices are updated with the latest security patches to mitigate the vulnerability.