CVE-2019-14020 : What You Need to Know
Learn about CVE-2019-14020, a vulnerability in Snapdragon platforms causing multiple Read overflows due to improper length checks. Find mitigation steps and updates here.
Multiple Read overflows issue due to improper length check in Snapdragon platforms.
Understanding CVE-2019-14020
What is CVE-2019-14020?
The vulnerability involves multiple Read overflows due to incorrect length checks in various Snapdragon platforms.
The Impact of CVE-2019-14020
This vulnerability can be exploited to trigger buffer over-read issues in the Multi Mode Call Processor.
Technical Details of CVE-2019-14020
Vulnerability Description
The issue arises from improper length checks while decoding specific commands in Snapdragon platforms.
Affected Systems and Versions
- Affected Products: Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, Mobile, Wearables
- Affected Versions: APQ8053, APQ8076, APQ8096, and many more
Exploitation Mechanism
The vulnerability can be exploited by manipulating the decoding of certain commands, leading to buffer over-read issues.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm to address the vulnerability.
- Monitor Qualcomm's security bulletins for updates and advisories.
Long-Term Security Practices
- Regularly update software and firmware on affected devices.
- Implement network segmentation and access controls to limit exposure.
Patching and Updates
- Ensure all Snapdragon platforms are updated with the latest security patches from Qualcomm.