CVE-2020-15531 Explained : Impact and Mitigation
Learn about CVE-2020-15531, a critical buffer overflow vulnerability in Silicon Labs Bluetooth Low Energy SDK before 2.13.3, enabling remote code execution in EFR32 SoCs and associated modules. Find out how to mitigate and prevent this security risk.
Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow vulnerability that can lead to remote code execution in EFR32 SoCs and associated modules.
Understanding CVE-2020-15531
What is CVE-2020-15531?
This CVE describes a buffer overflow vulnerability in Silicon Labs Bluetooth Low Energy SDK before version 2.13.3, allowing for potential remote code execution in EFR32 SoCs and associated modules.
The Impact of CVE-2020-15531
The vulnerability poses a significant risk as it enables over-the-air remote code execution in Bluetooth LE devices, particularly affecting EFR32 SoCs and modules running Bluetooth SDK in Central or Observer roles.
Technical Details of CVE-2020-15531
Vulnerability Description
The buffer overflow vulnerability in Silicon Labs Bluetooth Low Energy SDK before 2.13.3 allows attackers to execute malicious code remotely via packet data.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions affected: n/a
Exploitation Mechanism
The vulnerability can be exploited through over-the-air transmission of malicious packet data, potentially leading to remote code execution.
Mitigation and Prevention
Immediate Steps to Take
- Update to Silicon Labs Bluetooth Low Energy SDK version 2.13.3 or newer to mitigate the vulnerability.
- Implement network segmentation to limit exposure of Bluetooth LE devices.
Long-Term Security Practices
- Regularly monitor and update firmware and software to address security vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
Apply patches and updates provided by Silicon Labs promptly to ensure the security of Bluetooth LE devices.