Vulnerability Description
In BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe software 12.0.0 to 12.1.1, in some cases the Traffic Management Microkernel (TMM) may crash when processing fragmented packets. This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. If the affected BIG-IP system is configured as part of a device group, it will trigger a failover to the peer device.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Afm | >= 12.0.0, <= 12.1.1 |
| F5 | Big-Ip Analytics | >= 12.0.0, <= 12.1.1 |
| F5 | Big-Ip Apm | >= 12.0.0, <= 12.1.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 12.0.0, <= 12.1.1 |
| F5 | Big-Ip Asm | >= 12.0.0, <= 12.1.1 |
| F5 | Big-Ip Dns | >= 12.0.0, <= 12.1.1 |
| F5 | Big-Ip Link Controller | >= 12.0.0, <= 12.1.1 |
| F5 | Big-Ip Ltm | >= 12.0.0, <= 12.1.1 |
| F5 | Big-Ip Pem | >= 12.0.0, <= 12.1.1 |
| F5 | F5 Websafe | >= 12.0.0, <= 12.1.1 |
| F5 | Linerate | >= 2.5.0, <= 2.6.2 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/102264Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039949Third Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K65615624Issue TrackingMitigationVendor Advisory
- http://www.securityfocus.com/bid/102264Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039949Third Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K65615624Issue TrackingMitigationVendor Advisory
FAQ
What is CVE-2017-6166?
CVE-2017-6166 is a vulnerability with a CVSS score of 5.9 (MEDIUM). In BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe software 12.0.0 to 12.1.1, in some cases the Traffic Management Microkernel (TMM) may crash when processing fragmen...
How severe is CVE-2017-6166?
CVE-2017-6166 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-6166?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Afm, F5 Big-Ip Analytics, F5 Big-Ip Apm, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Asm.