CVE-2020-14376 Explained : Impact and Mitigation
Learn about CVE-2020-14376, a vulnerability in dpdk versions before 18.11.10 and before 19.11.5 leading to a buffer overflow. Understand the impact, affected systems, exploitation, and mitigation steps.
A flaw in dpdk versions before 18.11.10 and before 19.11.5 could lead to a buffer overflow, impacting data confidentiality, integrity, and system availability.
Understanding CVE-2020-14376
This CVE involves a vulnerability in dpdk versions that could result in a buffer overflow due to a lack of bounds checking during memory copying.
What is CVE-2020-14376?
The vulnerability in dpdk versions before 18.11.10 and before 19.11.5 arises from improper bounds checking when copying iv_data from VM guest memory to host memory, potentially leading to a large buffer overflow.
The Impact of CVE-2020-14376
The primary risks associated with this vulnerability include compromising data confidentiality and integrity, as well as affecting system availability.
Technical Details of CVE-2020-14376
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The flaw in dpdk versions allows for a buffer overflow due to inadequate bounds checking during the transfer of iv_data from VM guest memory to host memory.
Affected Systems and Versions
- Product: dpdk
- Vendor: Not applicable
- Versions affected: All dpdk versions before 18.11.10 and before 19.11.5
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to trigger a buffer overflow by manipulating the iv_data transfer process.
Mitigation and Prevention
Protecting systems from CVE-2020-14376 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by the vendor to mitigate the vulnerability.
- Monitor network traffic for any signs of exploitation.
- Implement strict access controls to limit unauthorized access.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate users and IT staff on best practices for secure system usage.
Patching and Updates
Ensure that all affected systems are updated with the latest patches released by dpdk to address the vulnerability.