CVE-2017-6137 : Vulnerability Insights and Analysis
Learn about CVE-2017-6137 affecting F5 BIG-IP products, causing service disruptions due to undisclosed traffic patterns. Find mitigation steps and version details here.
This CVE involves a disruption of service in F5 BIG-IP products due to undisclosed traffic patterns triggering SYN cookie protection.
Understanding CVE-2017-6137
What is CVE-2017-6137?
This vulnerability affects F5 BIG-IP products, potentially leading to a denial of service due to specific traffic patterns.
The Impact of CVE-2017-6137
The vulnerability may cause a disruption of service to the Traffic Management Microkernel (TMM) on certain platforms and configurations.
Technical Details of CVE-2017-6137
Vulnerability Description
Undisclosed traffic patterns received while software SYN cookie protection is enabled can trigger a disruption of service in F5 BIG-IP products.
Affected Systems and Versions
- Products: BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, PSM, WebAccelerator, WebSafe
- Versions: 11.6.1 HF1, 12.0.0 HF3, 12.0.0 HF4, 12.1.0 - 12.1.2
Exploitation Mechanism
The disruption occurs when specific traffic patterns are received while SYN cookie protection is engaged.
Mitigation and Prevention
Immediate Steps to Take
- Disable SYN cookie protection if not required
- Implement network traffic monitoring to detect unusual patterns
Long-Term Security Practices
- Regularly update F5 BIG-IP products to the latest versions
- Conduct security assessments to identify vulnerabilities
Patching and Updates
Apply patches provided by F5 Networks to address the vulnerability.