CVE-2019-14101 Explained : Impact and Mitigation
Learn about CVE-2019-14101, an out of bounds read vulnerability impacting various Snapdragon platforms. Find out the affected systems, versions, exploitation mechanism, and mitigation steps.
An out of bounds read vulnerability has been identified in various Snapdragon platforms, potentially affecting a wide range of Qualcomm products.
Understanding CVE-2019-14101
This CVE pertains to an out of bounds read issue in the diag event set mask command handler across multiple Snapdragon platforms.
What is CVE-2019-14101?
This vulnerability can lead to an out of bounds read in the command handler when the user-provided length is shorter than the expected length, impacting a significant number of Qualcomm products.
The Impact of CVE-2019-14101
The vulnerability poses a risk of unauthorized access and potential exploitation by malicious actors, compromising the security and integrity of affected systems.
Technical Details of CVE-2019-14101
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from an out of bounds read in the command handler for the diag event set mask command due to inadequate length validation.
Affected Systems and Versions
- Affected platforms include Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wearables, Wired Infrastructure, and Networking.
- Specific affected versions: APQ8009, APQ8096, APQ8096AU, APQ8098, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9625, MDM9635M, MDM9640, MDM9650, MDM9655, MSM8905, MSM8909, MSM8909W, and more.
Exploitation Mechanism
The vulnerability can be exploited by providing a shorter length in the command request than the expected length, leading to an out of bounds read scenario.
Mitigation and Prevention
Effective mitigation strategies are crucial to address this vulnerability.
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm promptly.
- Monitor official sources for security advisories and follow best practices for secure coding.
Long-Term Security Practices
- Regularly update software and firmware to ensure the latest security fixes are in place.
- Conduct security assessments and audits to identify and remediate vulnerabilities proactively.
Patching and Updates
Regularly check for security bulletins and updates from Qualcomm to patch the vulnerability and enhance system security.