CVE-2020-10061 Explained : Impact and Mitigation
Learn about CVE-2020-10061, a high-severity vulnerability in Zephyr Bluetooth implementation leading to memory corruption. Find out affected versions and mitigation steps.
A vulnerability in the Zephyr Bluetooth implementation could lead to memory corruption, affecting specific versions of Zephyr.
Understanding CVE-2020-10061
This CVE involves improper handling of the full-buffer case in the Zephyr Bluetooth implementation, potentially resulting in memory corruption.
What is CVE-2020-10061?
The vulnerability arises from incorrect processing of the full-buffer scenario within the Zephyr Bluetooth implementation, leading to potential memory corruption.
The Impact of CVE-2020-10061
The vulnerability has a high severity level, impacting confidentiality, integrity, and availability of affected systems. It requires no special privileges for exploitation.
Technical Details of CVE-2020-10061
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The issue stems from improper handling of the full-buffer case in the Zephyr Bluetooth implementation, potentially causing memory corruption.
Affected Systems and Versions
- Product: Zephyr
- Vendor: Zephyrproject-rtos
- Versions: 2.2.0 and later, 1.14.0 and later
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Local
- Privileges Required: None
- Scope: Changed
- User Interaction: None
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2020-10061.
Immediate Steps to Take
- Apply patches provided by Zephyrproject-rtos promptly.
- Monitor official sources for updates and advisories.
- Implement network segmentation to limit exposure.
Long-Term Security Practices
- Regularly update and patch all software components.
- Conduct security assessments and audits periodically.
- Educate users and administrators on secure coding practices.
Patching and Updates
- Zephyrproject-rtos has released patches to address the vulnerability.