CVE-2019-6667 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-6667, a vulnerability in F5 BIG-IP versions 11.5.1-15.0.1 that could lead to a Denial of Service (DoS) attack due to excessive resource consumption. Learn about mitigation steps and prevention measures.
A vulnerability in F5 BIG-IP versions 11.5.1-15.0.1 could lead to a Denial of Service (DoS) attack due to excessive resource consumption.
Understanding CVE-2019-6667
In specific scenarios, certain versions of F5 BIG-IP are susceptible to resource exhaustion, potentially resulting in a DoS condition.
What is CVE-2019-6667?
The vulnerability in F5 BIG-IP versions 11.5.1-15.0.1 may allow attackers to exploit the Traffic Management Microkernel (TMM) component, causing it to consume excessive resources when handling traffic for a Virtual Server with the FIX profile.
The Impact of CVE-2019-6667
The vulnerability could be exploited by malicious actors to launch DoS attacks, disrupting services and causing system unavailability.
Technical Details of CVE-2019-6667
Familiarize yourself with the technical aspects of this CVE.
Vulnerability Description
The issue arises in F5 BIG-IP versions 11.5.1-15.0.1, where TMM may consume excessive resources under specific conditions, potentially leading to a DoS scenario.
Affected Systems and Versions
The following versions of F5 BIG-IP are impacted:
- 15.0.0-15.0.1
- 14.1.0-14.1.0.5
- 14.0.0-14.0.0.4
- 13.1.0-13.1.1.5
- 12.1.0-12.1.4.1
- 11.5.1-11.6.5
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted requests to a Virtual Server with the FIX profile, triggering resource exhaustion in the TMM component.
Mitigation and Prevention
Learn how to address and prevent the CVE-2019-6667 vulnerability.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly to mitigate the vulnerability.
- Monitor network traffic for any unusual patterns that could indicate a DoS attack.
Long-Term Security Practices
- Regularly update and patch F5 BIG-IP devices to protect against known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
Ensure that F5 BIG-IP devices are kept up to date with the latest security patches and firmware releases to address known vulnerabilities.