CVE-2020-10070 : What You Need to Know
Learn about CVE-2020-10070, a critical buffer overflow vulnerability in Zephyr Project MQTT code, allowing remote code execution. Find mitigation steps and impacts here.
In the Zephyr Project MQTT code, a buffer overflow vulnerability exists due to improper bounds checking. This could lead to memory corruption and potentially remote code execution.
Understanding CVE-2020-10070
This CVE involves a critical vulnerability in the Zephyr Project MQTT code that could allow attackers to exploit the system.
What is CVE-2020-10070?
The vulnerability arises from inadequate bounds checking in the Zephyr Project MQTT code, potentially enabling attackers to corrupt memory and execute malicious code remotely.
The Impact of CVE-2020-10070
The severity of this vulnerability is rated as critical with a CVSS base score of 9.0. It can have high impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2020-10070
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability is classified as a buffer overflow issue (CWE-120) in the Zephyr Project MQTT code, allowing attackers to potentially execute remote code.
Affected Systems and Versions
- Affected Product: Zephyr
- Vendor: Zephyr Project RTOS
- Affected Version: 2.2.0 and later versions
Exploitation Mechanism
The vulnerability can be exploited over a network with high attack complexity, impacting systems with changed scope and requiring no user interaction.
Mitigation and Prevention
Protecting systems from CVE-2020-10070 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply patches provided by the vendor promptly to mitigate the vulnerability.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Implement secure coding practices to prevent buffer overflows.
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and audits to identify and remediate weaknesses.
Patching and Updates
Ensure all systems running the affected Zephyr versions are updated with the latest patches and security fixes to prevent exploitation.