CVE-2017-6128 : Security Advisory and Response
Learn about CVE-2017-6128 affecting F5 Networks products. Understand the DoS vulnerability in the sshd component and how to mitigate the risk with patches and security practices.
F5 Networks, Inc. products, including BIG-IP LTM, Enterprise Manager, BIG-IQ, and iWorkflow, are susceptible to a denial-of-service (DoS) attack through the sshd component.
Understanding CVE-2017-6128
What is CVE-2017-6128?
The sshd component in F5 products could be exploited by an attacker to launch a DoS attack.
The Impact of CVE-2017-6128
The vulnerability allows threat actors to potentially disrupt services by causing a DoS attack.
Technical Details of CVE-2017-6128
Vulnerability Description
The sshd component in F5 BIG-IP, Enterprise Manager, BIG-IQ, and iWorkflow is vulnerable to a DoS attack.
Affected Systems and Versions
- Products affected: BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, Edge Gateway, GTM, Link Controller, PEM, PSM, WebAccelerator, WebSafe, Enterprise Manager, BIG-IQ Cloud, Device, Security, ADC, Centralized Management, Cloud and Orchestration, iWorkflow
- Versions: Varies depending on the specific product
Exploitation Mechanism
The vulnerability can be exploited by an assailant to initiate a DoS attack on the sshd component.
Mitigation and Prevention
Immediate Steps to Take
- Monitor vendor resources for patches and updates
- Implement network segmentation to limit exposure
- Utilize firewalls to restrict access
Long-Term Security Practices
- Regularly update and patch F5 products
- Conduct security assessments and audits
Patching and Updates
Apply patches and updates provided by F5 Networks to address the vulnerability.