CVE-2020-10022 : Vulnerability Insights and Analysis
Learn about CVE-2020-10022, a critical vulnerability in Zephyr OS allowing memory corruption. Find out the impact, affected versions, and mitigation steps.
A vulnerability in Zephyr OS could allow an attacker to trigger memory corruption, leading to denial of service or code execution.
Understanding CVE-2020-10022
This CVE involves a malformed JSON payload from an UpdateHub server that can cause memory corruption in Zephyr OS.
What is CVE-2020-10022?
- Affects Zephyr OS versions 2.1.0 and later, including version 2.2.0 and later
- Vulnerability type: Buffer Overflow (CWE-120)
The Impact of CVE-2020-10022
- CVSS Base Score: 9 (Critical)
- Attack Vector: Network
- Impact: High availability, confidentiality, and integrity
- Scope: Changed
- No privileges required for exploitation
Technical Details of CVE-2020-10022
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- Malformed JSON payload from UpdateHub server triggers memory corruption
- Can lead to denial of service or code execution
Affected Systems and Versions
- Zephyr OS version 2.1.0 and later
- Zephyr OS version 2.2.0 and later
Exploitation Mechanism
- Attack Complexity: High
- User Interaction: None
- Exploitation via Network
Mitigation and Prevention
Protect systems from CVE-2020-10022 with these security measures.
Immediate Steps to Take
- Apply patches provided by ZephyrProject-RTOS
- Monitor for any unusual network activity
- Implement network segmentation to limit attack surface
Long-Term Security Practices
- Regularly update Zephyr OS to the latest version
- Conduct security audits and code reviews
Patching and Updates
- Refer to ZephyrProject-RTOS for official patches and updates