CVE-2019-6590 : What You Need to Know

CVE-2019-6590 was published on January 29, 2019, affecting F5 Networks, Inc.'s BIG-IP (LTM) versions 13.0.0 to 13.0.1 and 12.1.0 to 12.1.3.6. The vulnerability could lead to a Denial of Service (DoS) due to excessive resource consumption by the Traffic Management Microkernel (TMM) when handling SSL Session ID Persistence traffic.

Understanding CVE-2019-6590

This section provides insights into the nature and impact of the CVE-2019-6590 vulnerability.

What is CVE-2019-6590?

CVE-2019-6590 is a vulnerability in BIG-IP LTM versions 13.0.0 to 13.0.1 and 12.1.0 to 12.1.3.6 that could result in a DoS attack by causing the TMM to consume excessive resources during specific SSL Session ID Persistence traffic scenarios.

The Impact of CVE-2019-6590

The vulnerability poses a risk of service disruption and resource exhaustion on affected systems, potentially leading to downtime and performance degradation.

Technical Details of CVE-2019-6590

Explore the technical aspects of CVE-2019-6590 to understand its implications and how it can be mitigated.

Vulnerability Description

The TMM in BIG-IP LTM versions 13.0.0 to 13.0.1 and 12.1.0 to 12.1.3.6 may consume excessive resources when processing SSL Session ID Persistence traffic under specific conditions, making the system vulnerable to DoS attacks.

Affected Systems and Versions

Product: BIG-IP (LTM)
Vendor: F5 Networks, Inc.
Versions: 13.0.0-13.0.1, 12.1.0-12.1.3.6

Exploitation Mechanism

The vulnerability can be exploited by sending specially crafted SSL Session ID Persistence traffic to the affected systems, triggering resource exhaustion and potential service disruption.

Mitigation and Prevention

Learn how to address and prevent the CVE-2019-6590 vulnerability to enhance system security.

Immediate Steps to Take

Apply vendor-supplied patches or updates to mitigate the vulnerability.
Monitor system resources and network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

F5 Networks, Inc. may release patches or updates to address the vulnerability. Stay informed about security advisories and apply patches promptly.