CVE-2019-2331 Explained : Impact and Mitigation
Learn about CVE-2019-2331 affecting Qualcomm Snapdragon platforms. Understand the impact, affected systems, exploitation risks, and mitigation steps for this integer overflow vulnerability.
A vulnerability in various Qualcomm Snapdragon platforms could lead to an integer overflow issue when subtracting two integers without proper validation.
Understanding CVE-2019-2331
This CVE affects multiple Qualcomm chipsets and platforms, potentially exposing them to security risks.
What is CVE-2019-2331?
The vulnerability arises from the lack of validation when subtracting integers, which may result in exceeding the maximum integer limit, posing a security threat.
The Impact of CVE-2019-2331
The vulnerability affects a wide range of Qualcomm Snapdragon platforms, including Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, and Wearables, potentially compromising the security of devices utilizing these platforms.
Technical Details of CVE-2019-2331
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The issue stems from an integer overflow risk during integer subtraction without verifying if the result exceeds the maximum integer limit.
Affected Systems and Versions
- Vendor: Qualcomm, Inc.
- Affected Platforms: Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wearables
- Affected Chipsets: MDM9150, MDM9206, MDM9607, MDM9615, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCS405, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 600, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20, SDX24
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to potentially execute arbitrary code or disrupt the normal operation of affected devices.
Mitigation and Prevention
Protecting systems from CVE-2019-2331 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor vendor communications for updates and advisories regarding the vulnerability.
Long-Term Security Practices
- Implement secure coding practices to prevent integer overflow vulnerabilities.
- Regularly update and patch systems to mitigate potential security risks.
Patching and Updates
- Stay informed about security bulletins and patches released by Qualcomm to address CVE-2019-2331.