CVE-2019-5038 : Security Advisory and Response
Learn about CVE-2019-5038, a high-severity vulnerability in Nest Labs Openweave-core 4.0.2 allowing code execution. Find mitigation steps and prevention measures here.
A vulnerability in the print-tlv command of the Weave tool can lead to command execution through a stack-based buffer overflow.
Understanding CVE-2019-5038
What is CVE-2019-5038?
This CVE identifies a vulnerability in Nest Labs Openweave-core 4.0.2 that allows attackers to execute code by exploiting the print-tlv command in the Weave tool.
The Impact of CVE-2019-5038
The vulnerability poses a high risk with a CVSS base score of 7.5, affecting confidentiality, integrity, and availability.
Technical Details of CVE-2019-5038
Vulnerability Description
The vulnerability arises from a stack-based buffer overflow in the print-tlv command of the Weave tool, enabling code execution.
Affected Systems and Versions
- Product: Nest Labs
- Version: Nest Labs Openweave-core 4.0.2
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: None
- User Interaction: Required
Mitigation and Prevention
Immediate Steps to Take
- Update the affected version to a secure release.
- Avoid running suspicious or untrusted Weave commands.
Long-Term Security Practices
- Implement network segmentation to limit the impact of potential attacks.
- Educate users on social engineering tactics to prevent launching malicious commands.
Patching and Updates
Regularly check for security updates and patches from Nest Labs to address vulnerabilities.