CVE-2017-18314 : Exploit Details and Defense Strategies
Learn about CVE-2017-18314, a Qualcomm Snapdragon vulnerability affecting various versions. Find out how to mitigate the improper access control issue and secure your devices.
CVE-2017-18314, published on September 20, 2018, by Qualcomm, Inc., addresses an improper access control vulnerability in Qualcomm Snapdragon products.
Understanding CVE-2017-18314
This CVE entry highlights a security issue in various Snapdragon versions that could lead to unauthorized access.
What is CVE-2017-18314?
The vulnerability involves the CNOC_QDSS RG0 being cleared by TZ during TZ cold boot in multiple Snapdragon versions within the Snapdragon_High_Med_2016 framework.
The Impact of CVE-2017-18314
The vulnerability could allow attackers to gain unauthorized access to sensitive information on affected devices, compromising user data and system integrity.
Technical Details of CVE-2017-18314
Qualcomm Snapdragon products are affected by this vulnerability, impacting a wide range of versions.
Vulnerability Description
The CNOC_QDSS RG0, locked by xBL_SEC, is cleared by TZ during TZ cold boot in various Snapdragon versions, potentially leading to unauthorized access.
Affected Systems and Versions
- Products: Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear
- Versions: FSM9055, FSM9955, MDM9607, MDM9640, MDM9650, MSM8909W, SD 425, SD 427, SD 430, SD 435, SD 450, SD 617, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SDM630, SDM636, SDM660, Snapdragon_High_Med_2016
Exploitation Mechanism
The vulnerability can be exploited during the TZ cold boot process, allowing unauthorized clearance of CNOC_QDSS RG0, potentially leading to security breaches.
Mitigation and Prevention
Steps to address and prevent the CVE-2017-18314 vulnerability:
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor official sources for updates and advisories regarding this vulnerability.
Long-Term Security Practices
- Implement secure boot mechanisms to prevent unauthorized access during system startup.
- Regularly update firmware and software to mitigate known vulnerabilities.
Patching and Updates
- Regularly check for security updates from Qualcomm and apply them to ensure protection against known vulnerabilities.