CVE-2017-6166

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.20% Top 25%
Vendor Advisory f5.com
Affected: F5 Networks, Inc. BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/102264 third party advisory vdb entry
https://support.f5.com/csp/article/K65615624 vendor advisory mitigation issue tracking
http://www.securitytracker.com/id/1039949 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-6166?
CVE-2017-6166 has been scored as a medium severity vulnerability.
How to fix CVE-2017-6166?
To fix CVE-2017-6166, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6166 being actively exploited in the wild?
It is possible that CVE-2017-6166 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-6166?
CVE-2017-6166 affects F5 Networks, Inc. BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe.
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