CVE-2020-3670 : What You Need to Know
Learn about CVE-2020-3670 affecting Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, Mobile, and Wearables by Qualcomm. Find out the impact, affected systems, and mitigation steps.
Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, and Snapdragon Wearables by Qualcomm, Inc. are affected by a potential out-of-bounds read vulnerability due to improper length check of Information Element (IEI) NAS message container.
Understanding CVE-2020-3670
This CVE involves a buffer over-read issue in the Multi-Mode Call Processor.
What is CVE-2020-3670?
The vulnerability in Snapdragon products could allow an attacker to perform an out-of-bounds read while processing downlink NAS transport messages.
The Impact of CVE-2020-3670
The vulnerability could be exploited by malicious actors to potentially access sensitive information or execute arbitrary code on affected devices.
Technical Details of CVE-2020-3670
The following technical details provide insight into the vulnerability.
Vulnerability Description
The vulnerability arises from an improper length check of the Information Element NAS message container, leading to a potential out-of-bounds read.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
- Versions: Agatti, APQ8053, APQ8096AU, APQ8098, Kamorta, MDM9150, MDM9205, MDM9206, and more
Exploitation Mechanism
The vulnerability can be exploited by manipulating downlink NAS transport messages to trigger the improper length check and perform an out-of-bounds read.
Mitigation and Prevention
To address CVE-2020-3670, consider the following mitigation strategies:
Immediate Steps to Take
- Apply patches provided by Qualcomm to fix the vulnerability.
- Monitor for any unusual activities on the affected systems.
Long-Term Security Practices
- Regularly update software and firmware on the affected devices.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm.
- Ensure timely application of patches to mitigate the risk of exploitation.