CVE-2020-6616 Explained : Impact and Mitigation
Learn about CVE-2020-6616, a vulnerability in Broadcom chips affecting Samsung Galaxy S8, S8+, and Note8 devices due to mishandled Bluetooth random-number generation. Find out the impact, affected systems, exploitation risks, and mitigation steps.
Some Broadcom chips mishandle Bluetooth random-number generation due to the use of a low-entropy PRNG instead of an HRNG, impacting Samsung Galaxy S8, S8+, and Note8 devices with the BCM4361 chipset.
Understanding CVE-2020-6616
This CVE involves a vulnerability in Broadcom chips affecting specific Samsung devices.
What is CVE-2020-6616?
The vulnerability arises from the improper use of a low-entropy PRNG instead of an HRNG in Broadcom chips, leading to potential spoofing.
The Impact of CVE-2020-6616
- Devices affected: Samsung Galaxy S8, S8+, and Note8 with the BCM4361 chipset
- Samsung ID: SVE-2020-16882 (May 2020)
Technical Details of CVE-2020-6616
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
- Broadcom chips misuse Bluetooth random-number generation
- Low-entropy PRNG used instead of HRNG
Affected Systems and Versions
- Samsung Galaxy S8, S8+, and Note8 devices with BCM4361 chipset
Exploitation Mechanism
- Potential for spoofing due to inadequate random-number generation
Mitigation and Prevention
Protecting systems from the CVE and preventing exploitation is crucial.
Immediate Steps to Take
- Apply security updates from Samsung and other relevant vendors
- Implement additional security measures recommended by device manufacturers
Long-Term Security Practices
- Regularly update device firmware and software
- Monitor for security advisories and apply patches promptly
Patching and Updates
- Stay informed about security updates from Samsung and other relevant vendors
- Apply patches promptly to mitigate the vulnerability