CVE-2020-14374 : Exploit Details and Defense Strategies

A flaw in dpdk versions before 18.11.10 and before 19.11.5 allows an attacker to trigger a buffer overflow, compromising data confidentiality, integrity, and system availability.

Understanding CVE-2020-14374

This CVE identifies a vulnerability in dpdk versions that could lead to a buffer overflow attack.

What is CVE-2020-14374?

The vulnerability in dpdk versions before 18.11.10 and before 19.11.5 arises from flawed bounds checking in the copy_data function, enabling an attacker in a virtual machine to write arbitrary data to any address in the vhost_crypto application.

The Impact of CVE-2020-14374

The primary risks associated with this vulnerability include compromising data confidentiality, integrity, and system availability.

Technical Details of CVE-2020-14374

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in dpdk versions allows for a buffer overflow due to inadequate bounds checking in the copy_data function.

Affected Systems and Versions

Product: dpdk
Vendor: n/a
Versions affected: All dpdk versions before 18.11.10 and before 19.11.5

Exploitation Mechanism

The vulnerability can be exploited by an attacker in a virtual machine to write arbitrary data to any address in the vhost_crypto application.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the recommended patches provided by the vendor promptly.
Monitor for any unusual activities on the affected systems.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Ensure all dpdk versions are updated to 18.11.10 or 19.11.5 to mitigate the vulnerability effectively.